Documents are seen on display as the Hebrew University of Jerusalem launches the all-new, expanded Albert Einstein Archives on March 19, 2012 in Jerusalem, Israel. The project which was started in early 2011 and was a joint venture with the University's partner organisation Californian based Einstein Papers Project, is now ready for its launch which will include a new website with a catalog which will be updated in real time. (Photo by Uriel Sinai/Getty Images)

A Dogwood tree is in full bloom in front of the U.S. Capitol on March 19, 2012 in Washington, DC. Unseasonably warm weather has caused Washington's spring flowers and the famous cherry blossoms to bloom early. (Photo by Mark Wilson/Getty Images)

This handout image, supplied by the website “Hadrei Haredim” on March 20, 2012, shows three of the victims killed by a gunman in Toulouse, France. (L-C) Arieh, Jonathan and Gabriel Sandler were all killed in the shooting outside a Jewish school in the French city. Four people, including three children, were killed and others injured after a gunman opened fire outside a Jewish school as parents dropped their children off for morning classes. (Photo by Hadrei Haredim via Getty Images)

Egyptian Christians mourn during the funeral of Pope Shenouda III, the head of Egypt's Coptic Orthodox Church, at the Abassiya Cathedral at the funeral of Pope Shenouda III, the head of Egypt's Coptic Orthodox Church, near the Abassiya Cathedral March 20, 2012 in Cairo, Egypt. Thousands of mourners gathered in Cairo for the funeral of Egypt's Orthodox Christian Pope Shenouda. (Photo by Salah Malkawi/ Getty Images)

The Muppets who were honored with 2,466th Star on the Hollywood Walk of Fame in front of the El Capitan Theatre on March 20, 2012 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)

“Hunger Games” trilogy fans wait while camped out at the Union Square Barnes & Noble store in Manhattan on March 20, 2012 in New York City (“The Hunger Games” is a young adult novel written by Suzanne Collins). Fans began lining up last night in order to attend an in-store appearance tonight by actors in the new “Hunger Games” film. (Photo by Mario Tama/Getty Images)

(L-R) Musicians Gene Simmons, Tommy Thayer, Eric Singer and Paul Stanley appear onstage to announce their upcoming Motley Crue and KISS co-headlining tour at the Hollywood Roosevelt Hotel on March 20, 2012 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

Masked officers stand by as police continue to surround a property during an operation to arrest 24-year-old Mohammed Merah, the man suspected of killing seven victims including three children in separate gun attacks on March 21, 2012 in Toulouse, France. Two officers were injured as police surrounded the gunman at a property during an early morning raid. The suspect's brother was arrested in another part of the city as part of the operation. (Photo by Gilles Bouquillon/Getty Images)

U.S. President Barack Obama speaks at Sempra U.S. Gas & Power's Copper Mountain Solar 1 facility, the largest photovoltaic solar plant in the United States on March 21, 2012 in Boulder City, Nevada. Obama is on a four-state tour promoting his energy policies. The Copper Mountain solar facility is the largest operating photovoltaic plant operating in the country. (Photo by Ethan Miller/Getty Images)

A truck becomes wedged in a tunnel due to carrying a high load at Shi Ba Li Dian Bridge on the East Fourth Ring Road on March 21, 2012 in Beijing, China. Fortunately the driver survived. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

David Rudisha of Kenya 800m World record holder and World 800m champion during a training session on February 6, 2012 in Iten, Kenya. (Photo by Michael Steele/Getty Images)

(L-R) Senior Drum Major Betts of the Scotts Guard, Bugler Lee Kidd, Guardsman Adam Deer of the Coldstream Guards and Lance corporal Michael Strong of the Princess of Wales's Royal Regiment pose in their full ceremonial attire at Wellington Barracks on March 21, 2012 in London, England. The group make up part of the ceremonial military personnel who will play a key role during Her Majesty the Queens Diamond Jubilee celebrations between June 2–5. (Photo by Dan Kitwood/Getty Images)

Athlete Christine Ohuruogu, Paralympian cyclist Jody Cundy, Paralympian swimmer Ellie Simmonds, BMX cyclist Shanaze Reade, Triple jumper Phillips Idowu, Heptathlon athlete Jessica Ennis, Gymnast Louis Smith, Paralympian sprinter Jonnie Peacock and Pentathlete Heather Fell on stage at the official British team kit launch for the London 2012 Olympic and Paralympic Games, designed by Stella McCartney, created by adidas and was unveiled at the Tower of London on March 22, 2012 in London, England. (Photo by Richard Heathcote/Getty Images for adidas)

he final letter written by Captain Robert Falcon Scott before his death is displayed on a Herbert Ponting photograph “The Castle Berg” at Bonhams auctioneers on March 22, 2012 in London, England. The letter written to Sir Edgar Speyer includes the line 'We have seen the Pole and we shall die like gentlemen'. It was found eight months later by a search party and forms part of Bonhams Polar Sale to be held on March 30, 2012, marking the centenary of Scott and Amundsens' polar expeditions. (Photo by Peter Macdiarmid/Getty Images)

Queen Sofia of Spain (L) attends “Innovacion y Diseno” 2011 Awards in Bilbao on March 22, 2012 in Bilbao, Spain. (Photo by Ander Gillenea/Getty Images)

Marche Curry (L), who is a college student and unable to afford insurance, is examined by Dr. Nadine Altidor during a routine checkup at the Jessie Trice Center for Community Health clinic on March 22, 2012 in Miami, Florida. Starting on March 26, 2012 the arguments begin on the Affordable Care Act before the U.S. Supreme Court. The Act, which was set into law by U.S. President Barack Obama, helps many in need of health care and it also gives grant money to fund the Jessie Trice Center for Community Health clinic, which in turn helps people like Marche Curry who would otherwise not have access to affordable health care. (Photo by Joe Raedle/Getty Images)

(L-R) Andrea Dovizioso of Italy and Yamaha Tech 3 and Cal Crutchlow of Great Britain and Monster Yamaha Tech 3 pose with the bikes on track during the MotoGP Tests In Jerez at Circuito de Jerez on March 22, 2012 in Jerez de la Frontera, Spain. (Photo by Mirco Lazzari gp/Getty Images)

Katy Perry performs at the Echo Awards 2012 at Palais am Funkturm on March 22, 2012 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)

Maria Sharapova of Russia serves to Shahar Peer of Israel during Day 4 of the Sony Ericsson Open at Crandon Park Tennis Center on March 22, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)

A Sydney Monorail is seen at Darling Harbour on March 23, 2012 in Sydney, Australia. The Sydney monorail will be pulled down and a light rail will be extended in it's place, the NSW government announced today, with plans for the light rail to fully integate wiht the major public transportation network. It will take 2–3 years to remove the monorail, with a project start date yet to be announced. (Photo by Ryan Pierse/Getty Images)

Kim Kardashian is covered in flour during arrivals at the “True Reflection” Fragrance Launch at The London West Hollywood on March 22, 2012 in West Hollywood, California. (Photo by Frazer Harrison/Getty Images)

Members of an honour guard use tape measures on the floor to line up as they prepare for a welcoming ceremony for Indonesia's President Susilo Bambang Yudhoyono inside the Great Hall of the People on March 23, 2012 in Beijing, China. (Photo by Feng Li/Getty Images)

Fans arrive at the Opening Night Of Lionsgate's “The Hunger Games” at the Regal Cinemas L.A. LIVE Stadium on March 22, 2012 in Los Angeles, California. (Photo by Valerie Macon/Getty Images)