Men, who used to work in Libya and fled the unrest in the country, play football in a refugee camp at the Tunisia-Libyan border, in Ras Ajdir, Tunisia, Thursday, March 17, 2011. More than 250,000 migrant workers have left Libya for neighboring countries, primarily Tunisia and Egypt, in the past three weeks.
Credit: AP Photo/Emilio Morenatti
Butler players, from left, Shelvin Mack, Matt Howard, and Chase Stigall celebrate their 60-58 victory of Old Dominion in the Southeast regional second round NCAA tournament college basketball game, Thursday, March 17, 2011, at the Verizon Center, in Washington. Howard scored a tip-in at the buzzer to give Butler the win.
Credit: AP Photo/Nick Wass
Jenna Drenten of Atlanta reacts after kissing a New York firefighter as he marches in Savannah's annual St. Patrick's Day parade, Thursday, March 17, 2011, in Savannah, Ga.
Credit: AP Photo/Stephen Morton
Headlights of vehicles stream along a landscape destroyed in Friday's earthquake and tsunami in Minamisanriku town, Miyagi Prefecture, northeastern Japan, Tuesday, March 17, 2011.
Credit: AP Photo/Kyodo News
Snow covers an earthquake-triggered tsunami hit area in Minamisanriku town, Miyagi Prefecture, northern Japan, Thursday, March 17, 2011.
Credit: AP Photo/The Yomiuri Shimbun, Kenji Shimizu
A Shiite Bahraini youth, with his face masked, stands with a group of women watching clashes between residents and riot police in the streets of Jidhafs, Bahrain, on the outskirts of the capital of Manama, on Thursday, March 17, 2011. Security forces are moving through Shiite villages, cracking down and making arrests.
Credit: AP Photo/Hasan Jamali
German Chancellor Angela Merkel, left, and German Foreign Minister and Vice-Chancellor Guido Westerwelle, right, during a debate about Japan and the German nuclear policy at the German federal parliament, in Berlin, Germany, Thursday, March 17, 2011.
Credit: AP Photo/Michael Sohn
Demonstrators take part in an anti-nuclear protest in Barcelona, Spain, Thursday, March 17, 2011. The protesters gathered to demand the shutdown of Spanish nuclear power stations and to show support for the Japanese people devastated by Friday's earthquake and tsunami it spawned.
Credit: AP Photo/Manu Fernandez
Brazil's President Dilma Rousseff, left, receives an autographed guitar from Colombian singer Shakira at Planalto Palace, in Brasilia, Brazil, Thursday, March 17, 2011.
Credit: AP Photo/Eraldo Peres
Philadelphia Phillies second baseman Michael Martinez misses a fly ball hit by Toronto Blue Jays' Juan Rivera in short right field during the fifth inning of a spring training baseball game, in Clearwater, Fla., Thursday, March 17, 2011. Rivera held at first on the play.
Credit: AP Photo