Part of Circle Line to close on 17 March, shuttle service to be provided

SINGAPORE: The stretch between the Mountbatten and Dakota stations on the Circle Line (CCL) will not be operational on Sunday 17 March, from 5.30am to 10am.

This is to allow engineers to continue doing cable replacement works.

The Land Transport Authority (LTA) and SMRT said train services between Mountbatten and Paya Lebar stations will run as a shuttle service during that period.

During the shuttle service, normal service trains will stop at either Mountbatten or Paya Lebar station.

Commuters continuing their journey on the CCL will need to alight at one of these two stations and board the shuttle train at the opposite platform.

Commuters can then get off at the other station and continue their journey on the normal service train.

LTA and SMRT said the cable replacement at all 30 CCL stations is expected to be completed by December 2013, about half a year earlier than the 18-month timeline previously announced.

Works are currently ongoing for the first phase covering CCL stations from Dhoby Ghaut to Esplanade.

This will be followed by stations from Mountbatten to Tai Seng, Promenade to Stadium, Bartley to Marymount, Caldecott to one-north and Kent Ridge to HarbourFront.

The last phase will involve cables along Marina Bay and Bayfront.

- CNA/xq

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Asteroid to Make Closest Flyby in History

Talk about too close for comfort. In a rare cosmic encounter, an asteroid will barnstorm Earth next week, missing our planet by a mere 17,200 miles (27,700 kilometers).

Designated 2012 DA14, the space rock is approximately 150 feet (45 meters) across, and astronomers are certain it will zip harmlessly past our planet on February 15—but not before making history. It will pass within the orbits of many communications satellites, making it the closest flyby on record. (Read about one of the largest asteroids to fly by Earth.)

"This is indeed a remarkably close approach for an asteroid this size," said Paul Chodas, a research scientist at NASA's Jet Propulsion Laboratory Near Earth Object (NEO) program office in Pasadena, California.

"We estimate that an asteroid of this size passes this close to the Earth only once every few decades."

The giant rock—half a football field wide—was first spotted by observers at the La Sagra Observatory in southern Spain a year ago, soon after it had just finished making a much more distant pass of the Earth at 2.6 million miles (4.3 million kilometers) away.

This time around however, on February15 at 2:24 pm EST, the asteroid will be passing uncomfortably close—ten times closer than the orbit of the moon—flying over the eastern Indian Ocean near Sumatra (map). (Watch: "Moon 101.")

Future Impact?

Chodas and his team have been keeping a close eye on the cosmic intruder, and orbital calculations of its trajectory show that there is no chance for impact.

But the researchers have not yet ruled out future chances of a collision. This is because asteroids of this size are too faint to be detected until they come quite close to the Earth, said Chodas.

"There is still a tiny chance that it might hit us on some future passage by the Earth; for example there is [a] 1-in-200,000 chance that it could hit us in the year 2080," he said.

"But even that tiny chance will probably go away within the week, as the asteroid's orbit gets tracked with greater and greater accuracy and we can eliminate that possibility."

Earth collision with an object of this size is expected to occur every 1,200 years on average, said Donald Yeomans, NEO program manager, at a NASA news conference this week.

DA14 has been getting closer and closer to Earth for quite a while—but this is the asteroid's closest approach in the past hundred years. And it probably won't get this close again for at least another century, added Yeomans.

While no Earth impact is possible next week, DA14 will pass 5,000 miles inside the ring of orbiting geosynchronous weather and communications satellites; so all eyes are watching the space rock's exact trajectory. (Learn about the history of satellites.)

"It's highly unlikely they will be threatened, but NASA is working with satellite providers, making them aware of the asteroid's pass," said Yeomans.

Packing a Punch

Experts say an impact from an object this size would have the explosive power of a few megatons of TNT, causing localized destruction—similar to what occurred in Siberia in 1908.

In what's known as the "Tunguska event," an asteroid is thought to have created an airburst explosion which flattened about 750 square miles (1,200 square kilometers) of a remote forested region in what is now northern Russia (map).

In comparison, an impact from an asteroid with a diameter of about half a mile (one kilometer) could temporarily change global climate and kill millions of people if it hit a populated area.

Timothy Spahr, director of the Minor Planet Center at Cambridge, Massachusetts, said that while small objects like DA14 could hit Earth once a millennia or so, the largest and most destructive impacts have already been catalogued.

"Objects of the size that caused the extinction of the dinosaurs have all been discovered," said Spahr. (Learn about what really happened to the dinosaurs.)

A survey of nearly 9,500 near-Earth objects half a mile (one kilometer) in diameter is nearly complete. Asteroid hunters expect to complete nearly half of a survey of asteroids several hundred feet in diameter in the coming years.

"With the existing assets we have, discovering asteroids rapidly and routinely, I continue to expect the world to be safe from impacts in the future," added Spahr.

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Cop Shooting Rampage: Manhunt on Mountain

The truck owned and driven by suspected cop killer Christopher Dorner during his alleged rampage through the Los Angeles area was found deserted and in flames on the side of Bear Mountain, Calif., this afternoon -- with tracks in the snow leading away from the vehicle.

The San Bernadino Sheriff's Department confirmed the truck was Dorner's, but said at a news conference this evening that the tracks around the truck did not lead to him.

Personnel from several departments and teams of dogs continued to search the area near Big Bear Lake, about 80 miles east of Los Angeles, including door-to-door searches of cabins located there, officials said.

Dorner, a former Los Angeles police officer and Navy reservist, remained on the loose.

"He could be anywhere, at this point, and that's why we're searching door to door," San Bernardino County Sheriff John McMahon said.

He added that the search would continue as long as it was possible. However, a snowstorm was forecast for the area.

Dorner was believed to have killed one police officer and injured two others early this morning in Riverside, Calif. He was also accused of killing two civilians on Sunday. And he allegedly released an angry "manifesto" airing grievances against police and warning of coming violence toward cops.

Read More About Chris Dorner's Allegations Against the LAPD

Heavily armed officers spent much of Thursday searching for signs of Dorner, investigating multiple false leads into his whereabouts and broadcasting his license plate and vehicle description across the California Highway System.

Christopher Dorner: Ex-Cop Wanted in Killing Spree Watch Video

Engaged California Couple Found Dead in Car Watch Video

Missing Ohio Mother: Manhunt for Ex-Boyfriend Watch Video

Around 12:45 p.m. PT, police responded to Bear Mountain, where two fires were reported, and set up a staging area in the parking lot of a ski resort. They did not immediately investigate the fires, but heavily armed SWAT team members eventually descended onto Bear Mountain from a helicopter manned with snipers to investigate and reached the truck.

Also today, CNN's Anderson Cooper said Dorner had sent him a package at his New York office that arrived on Feb. 1, though Cooper said he never knew about the package until today. It contained a DVD of court testimony, with a Post-It note signed by Dorner claiming, "I never lied! Here is my vindication."

It also contained a keepsake coin bearing the name of former Los Angeles Police Chief William J. Bratton that came wrapped in duct tape, Cooper said. The duct tape bore the note, "Thanks, but no thanks Will Bratton."

Bratton told Cooper on his program, "Anderson Cooper 360," that he believed he gave Dorner the coin as he was headed overseas for the Navy, Bratton's practice when officers got deployed abroad. Though a picture has surfaced of Bratton, in uniform, and Dorner, in fatigues, shaking hands, Bratton told Cooper he didn't recall Dorner or the meeting.

PHOTOS: Former LAPD Officer Suspected in Shootings

Police officers across Southern California were on the defensive today, scaling back their public exposure, no longer responding to "barking-dog calls" and donning tactical gear outdoors.

Police departments have stationed officers in tactical gear outside police departments, stopped answering low-level calls and pulled motorcycle patrols off the road in order to protect officers who might be targets of Dorner's alleged rampage.

"We've made certain modifications of our deployments, our deviations today, and I want to leave it at that, and also to our responses," said Chief Sergio Diaz of the police department in Riverside, Calif., where the officers were shot. "We are concentrating on calls for service that are of a high priority, threats to public safety, we're not going to go on barking dog calls today."

Sgt. Rudy Lopez of the Los Angeles Police Department said Dorner is "believed to be armed and extremely dangerous."

Early Thursday morning, before they believe he shot at any police officers, Dorner allegedly went to a yacht club near San Diego, where police say he attempted to steal a boat and flee to Mexico.

He aborted the attempted theft when the boat's propeller became entangled in a rope, law enforcement officials said. It was then that he is believed to have headed to Riverside, where he allegedly shot two police officers.

"He pointed a handgun at the victim [at the yacht club] and demanded the boat," said Lt. David Rohowits of the San Diego Police Department.

Police say the rifle marksman shot at four officers in two incidents overnight, hitting three of them: one in Corona, Calif., and the two in Riverside, Calif.

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In the Loop: Interior pick could watch, but not deliver, a State of the Union address

The nomination announcement Wednesday afternoon of Sally Jewell, chief executive of outdoor company REI, to be secretary of the interior would put her eighth in the line of presidential succession should anything happen to President Obama, Vice President Biden, House and Senate leaders and the top four Cabinet officials at State, Treasury, Defense and Justice.

Except for one problem: She was born in England — came here when she was 3 — and thus doesn’t qualify. She would hardly be the first Cabinet member in this situation.

Others affected by this in recent years include Bush II Labor Secretary Elaine Chao, born in Taiwan, and Clinton Secretary of State Madeleine Albright, born in Prague. Ditto Nixon’s German-born secretary of state, Henry Kissinger.

What this means is that, if confirmed, Jewell will be forced to attend every State of the Union address, because she’ll never be the “designated successor.”

On another note, if she gets the job, she’ll be overseeing some places with a history of sweatshops that could compete with REI. REI says that it manufactures gear and apparel around the world, including China, Taiwan and El Salvador, but that it prides itself as being quite scrupulous in monitoring working conditions at its suppliers.

But as head of the Interior Department, Jewell would have jurisdiction over a few U.S. territories — especially the Northern Marianas — that were criticized for years as havens for immigrant smuggling, prostitution and sweatshops. (Because they’re U.S. territories, the clothing made there can be labeled “Made in U.S.A.” and come in duty-free.)

An Interior official assured us, however, that congressionally mandated minimum-wage increases and “new global trade rules embraced by the U.S.” have taken care of the problem.

So, no sweat.

Straying pols, beware

Philandering politicos around town, start quaking in your wingtips. And maybe call your lawyer.

Fair warning:L.A.-based
Gloria Allred
, attorney to many a woman involved in a high-profile controversy, was sworn in this week as a member of the D.C. bar. Which means . . . well, not much, for the moment.

Allred tells us that she’s not working on any particular case that would bring her to our fair city. But she frequently does business here, she says, and rather than operate on a “pro hac vice” basis (meaning each time she comes before a D.C. judge, she gets a one-time waiver), she decided to go all in.

She didn’t have to take the D.C. bar exam but instead used a waiver process designed for lawyers already practicing in other states.

Allred cheered the fact that there were three women on the bench of the U.S. Court of Appeals for the D.C. Circuit, where she was sworn in during a Monday ceremony, along with plenty of fellow female lawyers. “That’s something you wouldn’t have seen when I was sworn in to the California bar 38 years ago,” she said.

Allred’s storied career has included going up against powerful men on behalf of the women who say they’ve been wronged. Clients have included
Sharon Bialek
, who accused former GOP presidential candidate Herman Cain of sexual harassment, and
Natalie Khawam
, the sister of the woman who blew the whistle on CIA Director David Petraeus’s affair.

Should ne’er-do-well men around town worry now that Allred is poised to take on a local case at a moment’s notice? The typically bombastic lawyer’s unusually coy reply: “I’ll leave that to them to decide.”

Friendly fire

Seems no one is playing their position these days. On Wednesday, Sen. Ron Wyden
hinted that he might, maybe, possibly filibuster the nomination of White House counterterrorism adviser
John Brennan
to be CIA director for Wyden’s pal President Obama.

Apparently the Oregon Democrat is mighty upset about a new white paper from the Justice Department and wants more information about the legal justification for drone strikes against U.S. citizens suspected of terrorism. He’s promised to “pull out all the stops” to get what he’s looking for, Roll Call reports.

And for days there’s been will-they-or-won’t-they speculation that Republicans could potentially, perhaps filibuster the nomination of one of their own, former senator Chuck Hagel (Neb.) to be secretary of defense.

Which puts us in the topsy-turvy position of having a Democrat threaten a Democratic president’s nominee with filibuster, while Republicans warn they could do the same to a fellow Republican.

Never mind that it’s all posturing — filibusters of Cabinet nominees on either side are unlikely, or at least they’re unprecedented.

Which is good to remember before you pop something to relieve the vertigo.

With Emily Heil

The blog: washingtonpost.com/
intheloop. Twitter: @InTheLoopWP.

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Tunisia pledges new govt after opposition leader's killing

TUNIS: Tunisia's premier has pledged to form a government of technocrats ahead of new elections, after the murder of opposition leader Chokri Belaid sparked deadly protests and attacks on the ruling party's offices.

Furious demonstrators built barricades in central Tunis on Wednesday and clashed with police, and four opposition groups including Belaid's Popular Front bloc said they were pulling out of the national assembly.

One policeman was killed after being hit on the chest by rocks in Tunis, the interior ministry said, while an ambulance carrying Belaid's body to the city centre was accompanied by crowds who pressed against the vehicle to protect it.

Islamist Prime Minister Hamadi Jebali said in a televised address after Belaid was shot dead outside his home in Tunis on Wednesday that he would form a new, non-political administration ahead of fresh elections.

"I have decided to form a government of competent nationals without political affiliation, which will have a mandate limited to managing the affairs of the country until elections are held in the shortest possible time," he said.

Jebali did not specify that he was dissolving the existing government, nor did he set a date for the reshuffle which must be confirmed by the national assembly.

President Moncef Marzouki denounced the killing of Belaid, an outspoken critic of his government, as an "odious assassination".

The ruling Islamist Ennahda party, which Belaid's family accused of being behind the killing, rejected any involvement.

Ennahda chief Rached Ghannouchi said that the "cowardly" murder was the result of a settling of political scores. The killers "want a bloodbath but they won't succeed," he told AFP.

The four opposition groups blamed Interior Minister Ali Laraydeh from Ennahda for Belaid's murder and demanded his sacking "because he knew he was threatened and he did nothing," according to Nejib Chebbi, leader of one of the blocs.

Belaid's Popular Front and other opposition parties called for a general strike to protest against the assassination.

The United States led Western nations who reacted with dismay at the killing, while Human Rights Watch said the authorities should ensure those responsible were brought to justice.

"There is no justification for an outrageous and cowardly act of violence like this. There is no place in the new Tunisia for violence," US State Department spokeswoman Victoria Nuland said.

German Foreign Minister Guido Westerwelle expressed his "horror" at the attack while French President Francois Hollande condemned a murder that "robs Tunisia of one of its most courageous and free voices."

The violent scenes triggered by Belaid's murder were reminiscent of the uprising that ousted veteran dictator Zine El Abidine Ben Ali just over two years ago, with thousands protesting outside the interior ministry.

Belaid's brother, Abdelmajid, bluntly accused the Ennahda chief of the murder of the 48-year-old leftist leader, who headed the Party of Democratic Patriots, part of the Popular Front.

"I accuse Rached Ghannouchi of assassinating my brother," Abdelmajid told AFP.

The slain politician's wife said her husband had received daily death threats and was murdered before her eyes.

"I saw his blood flowing, I saw his little smile. I saw that they want to kill democracy," Basma Belaid told France's Europe 1 radio.

Belaid had last week accused Ennahda "mercenaries" of attacking his supporters and on Tuesday warned that militias were being created "to terrorise citizens and drag the country into a spiral of violence."

His supporters flooded the streets of Tunis and other cities, including Sidi Bouzeid, birthplace of the 2011 revolution, where tear gas was fired as about 200 people tried to storm the police headquarters.

Protesters torched the Ennahda office near Sidi Bouzeid, ransacked another in Gafsa and set fire to a party office in the northeastern town of Kef.

In Kasserine, on the border with Algeria, hundreds of people calling for "vengeance" took to the streets.

Marzouki deplored the killing in an impassioned speech at the European Parliament.

"This odious assassination of a political leader who I knew well and who was my friend... is a threat, it is a letter sent that will not be received," he said, insisting the murder would not plunge Tunisia into violence.

Belaid, whose funeral will be on Friday after the main weekly prayers, was a populist known for his iconic smile and black moustache.

A lawyer who spoke with the working class accent of northwestern Tunisia, he defended human rights, was jailed under Ben Ali, and was a member of executed Iraqi dictator Saddam Hussein's legal defence team.

- AFP/xq

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French president to negotiate $12bn Rafale jet deal in India next week

BANGALORE: France's Dassault Aviation hopes to conclude its $12-billion deal to sell Rafale jets to India this year, with negotiations set to be taken up by President Francois Hollande next week.

"The ideal would be to sign it in 2013," Dassault chief executive Eric Trappier told AFP in an interview about the world's biggest defence deal at India's air show in Bangalore.

"It's not that surprising that it takes a bit of time," he said, pointing out that the contract involved production of 126 state-of-the-art fighters in France and India over a 15-20 year period.

He also confirmed Indian negotiators had detailed their needs for an additional 63 planes beyond the initial order of 126, as reported after a visit by foreign minister Salman Khurshid to Paris in January.

"It's to let us know that they'll need the assembly lines for a long time," he said.

Hollande is to visit New Delhi on February 14-15 on his first trip to India since being elected in May. Trappier will be in the delegation.

"I don't think there are military aircraft sales without good political relations," said Trappier.

Dassault is one of the big names at this week's Aero India as it shows off the Rafale which beat competition from six rivals from Russia, the US and Europe last year.

Exclusive negotiations are under way to determine the final price and amount of technology transfers, with defence minister A K Antony giving an indication of the complexities involved in a Wednesday news conference.

The deal will have to pass through "six or seven layers" of vetting before being presented to the finance ministry and the cabinet committee on security.

Antony, seen as a clean operator in India's notoriously dirty politics, also said his officials would ensure "no malpractice is there" and denied budget cuts in his ministry would have an impact on "the mother of all contracts".

France is desperate to make its first foreign sale of the Rafale, which has struggled to find buyers after investments of tens of billions of euros.

The conclusion of the deal has been repeatedly delayed. India initially set a target of the end of last year, which slipped to the end of the current fiscal year in March.

Hollande will be followed days later in Delhi by British Prime Minister David Cameron who has lobbied on behalf of the Eurofighter, a rival jet made by a partly British consortium which is ready to step in if Dassault fails.

Under the proposed Rafale deal, the first 18 aircraft are to be made in France with the remainder to be produced under licence by Hindustan Aeronautics Limited (HAL), the state-run Indian aerospace behemoth.

Dassault must conclude licence deals with about 20-30 different Indian partners, according to Trappier. "We've done more than half of the work so far," he said.

The French group has also formed a joint venture with the Indian conglomerate Reliance, which has no former military production experience but will be involved as a supplier.

Indian Foreign Minister Khurshid likened the negotiations to a fine French wine while in Paris.

"The contract details are being worked out. A decision has already been taken, just wait a little for the cork to pop and you'll have some good wine to taste," he said.

The Rafale has carried out bombing missions in Afghanistan, Libya and most recently in Mali, where it is currently flying sorties targeting Islamist militants.

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Humans Swap DNA More Readily Than They Swap Stories

Jane J. Lee

Once upon a time, someone in 14th-century Europe told a tale of two girls—a kind one who was rewarded for her manners and willingness to work hard, and an unkind girl who was punished for her greed and selfishness.

This version was part of a long line of variations that eventually spread throughout Europe, finding their way into the Brothers Grimm fairytales as Frau Holle, and even into Shakespeare's The Merchant of Venice. (Watch a video of the Frau Holle fairytale.)

In a new study, evolutionary psychologist Quentin Atkinson is using the popular tale of the kind and unkind girls to study how human culture differs within and between groups, and how easily the story moved from one group to another.

Atkinson, of the University of Auckland in New Zealand, and his co-authors employed tools normally used to study genetic variation within a species, such as people, to look at variations in this folktale throughout Europe.

The researchers found that there were significant differences in the folktale between ethnolinguistic groups—or groups bound together by language and ethnicity. From this, the scientists concluded that it's much harder for cultural information to move between groups than it is for genes.

The study, published February 5 in Proceedings of the Royal Society B, found that about 9 percent of the variation in the tale of the two girls occurred between ethnolinguistic groups. Previous studies looking at the genetic diversity across groups in Europe found levels of variation less than one percent.

For example, there's a part of the story in which the girls meet a witch who asks them to perform some chores. In different renditions of the tale, the meeting took place by a river, at the bottom of a well, or in a cave. Other versions had the girls meeting with three old men or the Virgin Mary, said Atkinson.

Conformity

Researchers have viewed human culture through the lens of genetics for decades, said Atkinson. "It's a fair comparison in the sense that it's just variation across human groups."

But unlike genes, which move into a population relatively easily and can propagate randomly, it's harder for new ideas to take hold in a group, he said. Even if a tale can bridge the "ethnolinguistic boundary," there are still forces that might work against a new cultural variation that wouldn't necessarily affect genes.

"Humans don't copy the ideas they hear randomly," Atkinson said. "We don't just choose ... the first story we hear and pass it on.

"We show what's called a conformist bias—we'll tend to aggregate across what we think everyone else in the population is doing," he explained. If someone comes along and tells a story a little differently, most likely, people will ignore those differences and tell the story like everyone else is telling it.

"That makes it more difficult for new ideas to come in," Atkinson said.

Cultural Boundaries

Atkinson and his colleagues found that if two versions of the folktale were found only six miles (ten kilometers) away from each other but came from different ethnolinguistic groups, such as the French and the Germans, then those versions were as different from each other as two versions taken from within the same group—say just the Germans—located 62 miles (100 kilometers) away from each other.

"To me, the take-home message is that cultural groups strongly constrain the flow of information, and this enables them to develop highly local cultural traditions and norms," said Mark Pagel, of the University of Reading in the U.K., who wasn't involved in the new study.

Pagel, who studies the evolution of human behavior, said by email that he views cultural groups almost like biological species. But these groups, which he calls "cultural survival vehicles," are more powerful in some ways than our genes.

That's because when immigrants from a particular cultural group move into a new one, they bring genetic diversity that, if the immigrants have children, get mixed around, changing the new population's gene pool. But the new population's culture doesn't necessarily change.

Atkinson plans to keep using the tools of the population-genetics trade to see if the patterns he found in the variations of the kind and unkind girls hold true for other folktale variants in Europe and around the world.

Humans do a lot of interesting things, Atkinson said. "[And] the most interesting things aren't coded in our DNA."

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Armstrong May Testify Under Oath on Doping

Facing a federal criminal investigation and a deadline that originally was tonight to tell all under oath to anti-doping authorities or lose his last chance at reducing his lifetime sporting ban, Lance Armstrong now may cooperate.

His apparent 11th-hour about-face, according to the U.S. Anti Doping Agency (USADA), suggests he might testify under oath and give full details to USADA of how he cheated for so long.

"We have been in communication with Mr. Armstrong and his representatives and we understand that he does want to be part of the solution and assist in the effort to clean up the sport of cycling," USADA CEO Travis T. Tygart said in a written statement this evening. "We have agreed to his request for an additional two weeks to work on details to hopefully allow for this to happen."

Neither Armstrong nor his attorney responded to emails seeking comment on the USADA announcement.

The news of Armstrong's possible and unexpected cooperation came a day after ABC News reported he was in the crosshairs of federal criminal investigators. According to a high-level source, "agents are actively investigating Armstrong for obstruction, witness tampering and intimidation" for allegedly threatening people who dared tell the truth about his cheating.

Lance Armstrong Under Criminal Investigation Watch Video

Lance Armstrong Breaks Down: Question Pushes Cyclist to Brink Watch Video

Lance Armstrong Shows His Emotional Side With Oprah Winfrey Watch Video

The case was re-ignited by Armstrong's confession last month to Oprah Winfrey that he doped his way to all seven of his Tour de France titles, telling Winfrey he used performance-enhancing drugs throughout his career and then lied about it. He made the confession after years of vehement denials that he cheated.

READ MORE: Armstrong Admits to Doping

READ MORE: Lance Armstrong May Have Lied to Winfrey: Investigators

WATCH: Armstrong's Many Denials Caught on Tape

If charges are ultimately filed, the consequences of "serious potential crimes" could be severe, ABC News legal analyst Dan Abrams said -- including "possible sentences up to five, 10 years."

Investigators are not concerned with the drug use, but Armstrong's behavior in trying to maintain his secret by allegedly threatening and interfering with potential witnesses.

Armstrong was previously under a separate federal investigation that reportedly looked at drug distribution, conspiracy and fraud allegations -- but that case was dropped without explanation a year ago. Sources at the time said that agents had recommended an indictment and could not understand why the case was suddenly dropped.

"There were plenty of people, even within federal law enforcement, who felt like he was getting preferential treatment," said T.J. Quinn, an investigative reporter with ESPN.

The pressures against Armstrong today are immense and include civil claims that could cost him tens of millions of dollars.

Armstrong is currently serving a lifetime ban in sport handed down by the U.S. Anti-Doping Agency, and today was the deadline he was given to cooperate under oath if he ever wanted the ban lifted.

READ MORE: 10 Scandalous Public Confessions

PHOTOS: Olympic Doping Scandals: Past and Present

PHOTOS: Tour de France 2012

ABC News' Michael S. James contributed to this report.

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Strengthening security at the nation’s airports

Most people think of airport security as their walk through the metal detector and the eyeballing by transportation security officers (TSOs). Dan Liddell, whose job it is to protect the flying public at seven airports in central New York, instead sees 17 zones of worker responsibility and hundreds of different tasks.

In pursuit of safeguarding the public, Liddell, a federal security director based in Syracuse, has written a book that is now used to train TSOs. It’s called the “National Standardization Guide to Improving Security Effectiveness.” Tasks at each duty area have been inventoried and cataloged, and the “knowledge, values and skills” associated with the airport security jobs have been identified under what Liddell describes as a systems approach to training.

As important as it is to use X-ray machines and explosive trace-detection equipment and to have the correct rules and procedures in place, Liddell said transportation security relies on the skills of the people responsible for it.

“People performance is the cornerstone,” he said. “When I set out to improve things, I look at the people. I look at their proficiency, their skill in doing something and how well they’re doing that job.”

Even when people have the skills to do their jobs, they don’t necessarily do them well each time, especially when conditions can vary with each day and every passenger. To keep performance high, TSOs are tested covertly at unexpected times. A banned item will be sent through a checkpoint and the reaction and activities that take place are monitored.

Whether or not TSOs spot contraband, everyone at that checkpoint during the test participates in an “after-action” review. “It’s the learning experience that’s relevant,” Liddell said. “We’re doing a review of actual performance and you can always improve.”

Liddell is sensitive to the pressure that airport security personnel face. TSOs have the tough of performing multiple tasks under constant camera surveillance and public scrutiny, often interacting with tired or irritated travelers. The testing and training helps them continually up their game.

Thirty airports around the country that helped test the training system and now use a version of it. Paul Armes, federal security director at Nashville International Airport, was interested in creating such a system with a colleague when they both worked in Arizona, but it “never got traction.”

When he learned about what Liddell was doing, he was eager to participate. “Typical of Dan, he built it himself and practiced it so he had hard metric results, and then he started reaching out to some of us, working with his counterparts around the country to get a good representative sample,” Armes said. “He sees things others don’t see sometimes and he has the capability to drill down into the details.”

Liddell began the “pretty long process” of analyzing how people were performing at checkpoints in 2009. He sat down with subject-matter experts to produce the task inventory he now uses. In 2010, he improved the review and reporting process that occurs after covert tests events and instituted the security practices he refined at the other New York airports he oversees, including Greater Binghamton, Ithaca and four others. “I love breaking it down,” he said. “I’ve got a quest for improvement.”

In a less sneaky version of the television show, “Undercover Boss,” Liddell went through the new-hire training program for his employees to understand as much as he could about the jobs and the training provided for them, he said.

If pursuing knowledge is in Liddell’s genes, it may be because his parents were both in education. His father was a high school principal and his mother was a fifth-grade teacher. His teaching manifested itself instead in the training realm, where he strives to educate security employees as effectively as possible, inside the classroom and out.

“It’s always a challenge to meet that right balance of really great effectiveness and really great efficiency,” he said. “There are always challenges. It’s what gets me up in the morning, trying to improve.”

This article was jointly prepared by the Partnership for Public Service, a group seeking to enhance the performance of the federal government, and washingtonpost.com. Go to http://washingtonpost.com/wp-srv/politics/fedpage/players/ to read about other federal workers who are making a difference.

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Walking School Bus to ensure safe, enjoyable route for kids

SINGAPORE: Some pre-school children will be walking to and from school, in what's called the Walking School Bus.

They'll take a safe and enjoyable route, accompanied by adults.

The walk can be an informal affair or a structured arrangement with meeting points, a timetable and a schedule.

Children from PCF Tanjong Pagar-Tiong Bahru in Kim Tian Road are the first to try out the Walking School Bus - a free service by the Health Promotion Board (HPB) to get children to be physically active for up to three hours a day.

Walking School Buses are also practised in the United Kingdom, Europe, North America, Australia and New Zealand.

Walking can also help to save money, especially for those who use public transport when the pre-school centre is one or two bus stops away.

Pre-schools can apply to HPB for funding to organise their own Walking School Bus and activities that promote good health.

Besides walking, a series of fun dance routines with pre-school themes will be developed.

The first routine is ready and will be available on DVD to all childcare centres and kindergartens as well as parents.

These fun dance routines can be integrated into curriculum time to improve music and movement skills, or into subjects such as mathematics or numeracy to make lesson time more lively.

Over the next two years, HPB and KK Women's and Children's Hospital will jointly develop more fun dance routines.

- CNA/ck

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