Anti-American cleric Muqtada al-Sadr, center, is surrounded by bodyguards in his hometown, the Shiite city of Najaf, Iraq, Jan. 6. Hundreds of raucous supporters celebrated the return of the firebrand Iraqi cleric Thursday after his emergence from four years of exile in Iran. Alaa al-Marjani/AP hide caption

itoggle caption Alaa al-Marjani/AP

Iraq's leadership is signaling that it wants the U.S. military out of the country by the end of 2011. Here, members of the U.S. 1st Brigade, 3rd Infantry Division, walk toward a C-17 aircraft in Baghdad before returning home to Fort Stewart, Ga., in November. Maya Alleruzzo/AP hide caption

itoggle caption Maya Alleruzzo/AP

Iraqi university students take photos as they celebrate during their graduation party in April 2009, at the University of Technology in Baghdad. Sixty-five percent of Iraqis today are under the age of 25, and a preliminary survey finds that their attitudes are radically different from those of previous generations -- which may have a profound effect on the country's future. Muhannad Fala'ah/Getty Images hide caption

itoggle caption Muhannad Fala'ah/Getty Images

Turkey's Prime Minister Recep Tayyip Erdogan (right) meets with Iraqi President Jalal Talabani in Istanbul, Dec. 22, 2010. Turkey is vying with Iran to be the most influential regional power in Iraq. Tolga Bozoglu/AFP/Getty Images hide caption

itoggle caption Tolga Bozoglu/AFP/Getty Images

Retired Army Sgt. Alexander Reyes (right), from Miami, responds to applause at Camp Liberty in Baghdad after sharing the story of how he was wounded by an IED in 2007. He is one of seven wounded veterans who recently returned to Iraq as part of Operation Proper Exit, a program aimed at helping soldiers heal from traumatic injuries. Deborah Amos/NPR hide caption

itoggle caption Deborah Amos/NPR

An Iraqi man holds a sign reading "Baghdad will not be Kandahar" in Arabic as he takes part in a Dec. 3 protest in Baghdad organized by poets and intellectuals against the closure of nightclubs and a ban on alcohol sales. Ahmad Al-Rubaye/AFP/Getty Images hide caption

itoggle caption Ahmad Al-Rubaye/AFP/Getty Images