The luxury cruise ship CostaConcordia lies on its side after it ran aground off the tiny Tuscan island of Giglio, Italy, Sunday, Jan. 15, 2012. The The Costa Concordia hit a rock while passing too close to the island on Jan. 13, 2012. 32 people died in the tragedy. (AP Photo/Andrea Sinibaldi, Lapresse)
Two girls take a self-timer photo in front of a snow surrounded ancient Colosseum, in Rome Saturday, Feb. 4, 2012. A rare snowfall blanketed Rome on Friday, forcing the closure of the Colosseum over fears tourists would slip on the icy ruins, and leaving buses struggling to climb the city's slushy hills. (AP Photo/Andrew Medichini)
A riot police officers tries to extinguish flames from a petrol bomb thrown by protesters outside the Greek parliament, Athens, Sunday, Feb. 12, 2012. Tens of thousands of protesters gathered in the square outside Parliament. A few hundred anarchists started to throw bottles and firebombs at police, who responded with tear gas and stun grenades. (AP Photo/Thanassis Stavrakis)
A firefighter's helmet is caked in ice at the scene of a four-alarm fire in Boston, Sunday, Feb. 12, 2012. Freezing temperatures and high wind hampered efforts to fight the blaze. (AP Photo/Michael Dwyer)In this Tuesday, March 13, 2012 photo, a boy watches an Egyptian female artist and activist at work on the "No Walls Street" during the graffiti campaign to paint a reproduction of the streets behind them and targeted the concrete blocks walls in downtown Cairo, Egypt. After Egypt's ruling military sealed off streets around Cairo's Tahrir Square with walls of imposing concrete blocks, a group of artists decided to reopen the avenues on their own, in the public imagination, at least. (AP Photo/Nasser Nasser)
A man carries a boy who was severely wounded during heavy fighting between Syrian rebels and government forces in Idlib, north Syria. Sunday, March 11, 2012. (AP Photo/Rodrigo Abd)
A Pakistani rides a horse at a fast pace towards a peg during a tent pegging event at a spring festival in Islamabad on Friday, March 16, 2012. (AP Photo/B.K. Bangash)A member of the audience uses a mobile phone to record an image of himself with Republican presidential candidate, former Massachusetts Gov. Mitt Romney at the conclusion of a campaign event at an oil company in Milwaukee, Monday, April 2, 2012. (AP Photo/Steven Senne)
North Korean soldiers march during a mass military parade in Kim Il Sung Square in Pyongyang to celebrate 100 years since the birth of the North Korean founder Kim Il Sung on Sunday, April 15, 2012. (AP Photo/Vincent Yu)
A bear that wandered into the University of Colorado Boulder, Colo., dorm complex Williams Village falling from a tree after being tranquilized by Colorado wildlife officials, April 26, 2012. Colorado University police spokesman Ryan Huff said the bear was likely 1-3 years old and weighed somewhere between 150-200 pounds. (AP Photo/CU Independent, Andy Duann)
A full moon rises behind the Temple of Poseidon in Cape Sounion, south east of Athens, Greece, while tourists watch, on Saturday, May 5, 2012. Saturday's event is a "supermoon," the closest and therefore the biggest and brightest full moon of the year. (AP Photo/Dimitri Messinis)
Russian riot police disperse opposition protesters in downtown Moscow, May 6, 2012. Riot police in began arresting protesters who were trying to reach the Kremlin in a demonstration on the eve of Vladimir Putin's inauguration as president. (AP Photo/Sergey Ponomarev)
A man floats in the water with some of his belongings as his neighborhood is engulfed in fire Friday, May 11, 2012 in a slum area in Manila, Philippines. Officials say the fire that swept through a squatters' colony on Manila Bay's rim left two people missing and some 10,000 homeless. (AP Photo/Pat Roque)Chief midwife Maria Antoneta Cabral Barbosa holds a newborn baby boy she has just delivered by flashlight, at the regional hospital in Gabu, Guinea-Bissau, May 23, 2012. In Guinea-Bissau, one of the deadliest places in the world to give birth, a woman has a 1 in 19 chance of maternal death, compared to about 1 in 2,100 in the United States. (AP Photo/Rebecca Blackwell)
Nik Wallenda walks across NiagaraFalls on a tightrope as seen from NiagaraFalls, N.Y., Friday, June 15, 2012. Wallenda has finished his attempt to become the first person to walk on a tightrope 1,800 feet across the mist-fogged brink of roaring NiagaraFalls. (AP Photo/Gary Wiepert)
Fire from the Waldo Canyon wildfire burns as it moved into subdivisions and destroyed homes in Colorado Springs, Colo. June 26, 2012. (AP Photo/Gaylon Wampler, File)
People carry flowers to lay at a makeshift memorial across the street from the Century Theater parking lot, in Aurora, Colo. July 21, 2012. Twelve people were killed when a gunman entered an Aurora, Colo., movie theater, released a canister of gas and then opened fire during opening night of the Batman movie "The Dark Knight Rises." (AP Photo/Barry Gutierrez, File)
U.S. gymnast Gabrielle Douglas performs on the balance beam during the artistic gymnastics women's individual all-around competition at the 2012 Summer Olympics, Thursday, Aug. 2, 2012, in London. (AP Photo/Gregory Bull)
The space shuttle Endeavour atop the 747 shuttle carrier aircraft is seen flying over the LA Coliseum in Los Angeles during the final portion of its tour of California, Friday, Sept. 21, 2012. (AP Photo/NASA, Jim Ross)
A Free Syrian Army soldier, right, looks through a mirror which helps him see Syrian troops from the other side, as he takes his position with his comrade during fighting, at the old city of Aleppo city, Syria, Monday Sept. 24, 2012. (AP Photo/Hussein Malla)A parking lot full of yellow cabs is flooded as a result of superstorm Sandy in Hoboken, NJ. Oct. 30, 2012. (AP Photo/Charles Sykes)
President Barack Obama speaks at his election night party Wednesday, Nov. 7, 2012, in Chicago. President Obama defeated Republican challenger former Massachusetts Gov. Mitt Romney. (AP Photo/M. Spencer Green)
Smoke rises during an explosion from an Israeli forces strike in Gaza City. Israel bombarded the Hamas-ruled Gaza Strip with nearly 200 airstrikes widening an assault on Gaza rocket operations by militants to include the prime minister's headquarters, a police compound and a vast network of smuggling tunnels. Nov. 17, 2012. (AP Photo/Hatem Moussa)
U.S. President Barack Obama, right, waves as he embraces Myanmar democracy activist Aung San Suu Kyi after addressing members of the media at Suu Kyi's residence in Yangon, Myanmar, Nov. 19, 2012. Obama became the first U.S. president to visit the Asian nation also known as Burma. (AP Photo/Pablo Martinez Monsivais)
Police officers are sprayed with milk by European milk farmers during a demonstration outside the European Parliament in Brussels, Nov. 26, 2012. Farmers drove their tractors into the European Quarter of Brussels for a two-day demonstration to protest against what they believe are unfair milk prices. (AP Photo/Geert Vanden Wijngaert)Night falls on a Syrian rebel-controlled area as destroyed buildings, including Dar Al-Shifa hospital, are seen on Sa'ar street after airstrikes targeted the area, killing dozens in Aleppo, Syria. Nov. 29, 2012. (AP Photo/Narciso Contreras)
Frank Kulick, adjusts a display of wooden crosses, and a Jewish Star of David, representing the victims of the Sandy Hook Elementary School shooting, on his front lawn, Monday, Dec. 17, 2012, in Newtown, Conn. (AP Photo/David Goldman)
