An Iraqi Army soldier walks past an election campaign poster for Mahmoud al-Mashedani in Baghdad, Iraq, Sunday, Feb. 21, 2010. (AP Photo/Karim Kadim)

An Iraqi Army soldier is flanked by U.S. Army soldiers , members of the newly-minted Combined Security Force, stand in formation at a graduation ceremony in Kirkuk, north of Baghdad, Iraq, Monday, Feb. 15, 2010. (AP Photo/Maya Alleruzzo)

Iraqi Army soldiers inspect a bridge destroyed in a truck bomb attack in Ramadi, 115 kilometers (70 miles) west of Baghdad, Iraq, Saturday, Oct. 17, 2009. A suicide bomber driving an explosives-laden truck destroyed a key bridge Saturday on a ...

Iraqi Army soldiers inspect a bridge destroyed in a truck bomb attack Ramadi, 115 kilometers (70 miles) west of Baghdad, Iraq, Saturday, Oct. 17, 2009. A suicide bomber driving a dynamite-laden truck destroyed a key bridge Saturday on a highway ...