Iranian women perform Friday prayers in Tehran, Iran, Friday, Feb. 4, 2011.
Credit: AP Photo/Vahid Salem
A close up of the eye of a Phyllomedusa Venusta frog that is kept inside a glass box at a laboratory of Los Andes University in Bogota, Colombia, Friday, Feb. 4, 2011. The university's Biology Department investigates on tropical amphibians of which Colombia boasts a great variety.
Credit: AP Photo/William Fernando Martinez
Jon "Super" Squibb, right, and Bill "El Wingador" Simmons embrace after Squibb was declared the winner of the Wing Bowl in Philadelphia, Friday, Feb. 4, 2011. Squibb ate 255 chicken wings in the allotted time to win the 19th annual Wing Bowl eating contest, beating out five-time champ Simmons by a single wing.
Credit: AP Photo/Matt Rourke
A model displays fashion pieces by Taiwanese designer Fu Tzu-ching and artist Ling Ko as part of celebrations of the Chinese lunar new year in Taipei, Taiwan, Friday, Feb. 4, 2011.
Credit: AP Photo/Wally Santan
An Egyptian soldier sleeps inside an armored personnel carrier in Tahrir or Liberation Square, in Cairo, Egypt, Friday, Feb. 4, 2011. The Egyptian military guarded thousands of protesters pouring into Cairo's main square on Friday in an attempt to drive out President Hosni Mubarak after a week and half of pro-democracy demonstrations.
Credit: AP Photo/Tara Todras-Whitehill
An anti-government protester straddles atop a lamppost as he waves Egyptian flags at the continuing demonstration in Tahrir square in downtown Cairo, Egypt, Friday, Feb. 4, 2011. Tens of thousands packed central Cairo Friday, waving flags and singing the national anthem, emboldened in their campaign to oust President Hosni Mubarak after they repelled pro-regime attackers in two days of bloody street battles.
Credit: AP Photo/Ben Curtis
Bolivia's President Evo Morales wears flowers, a hat and a poncho, given to him as gifts, during a meeting with an indigenous community at the government palace in La Paz, Bolivia, Friday Feb. 4, 2011.
Credit: AP Photo/Juan Karita
Dortmund's Nuri Sahin of Turkey jumps for the ball during the German first division Bundesliga soccer match between Borussia Dortmund and FC Schalke 04 in Dortmund, Germany, Friday evening, Feb. 4, 2011. The most famous derby in German football ended 0-0.
Credit: AP Photo/Martin Meissner
German Chancellor Angela Merkel, right, speaks with Greek Prime Minister George Papandreou, left, and French President Nicolas Sarkozy during a round table meeting at an EU summit in Brussels, Friday, Feb. 4, 2011. EU leaders meet for a one-day summit on Friday, with energy, the eurozone debt crisis and unrest in Egypt set to dominate the agenda.
Credit: AP Photo/Yves Logghe
A journalist speaks on a mobile phone at Ryogoku Kokugikan, Japan's main sumo venue, in Tokyo, Friday, Feb. 4, 2011. Japan's latest sumo scandal widened Thursday as two wrestlers and a coach admitted fixing bouts, broadcasters pulled their support from telecasts and the nation's prime minister accused the ancient sport of betraying the public's trust.
Credit: AP Photo/Itsuo Inouye