Iraq

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Security forces inspect the scene of a car bombing in Basra, Iraq, 340 miles southeast of Baghdad, on Sunday, Sept. 9, 2012. (AP Photo/Nabil al-Jurani)

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U.S. Sen. Joseph I. Lieberman (left) meets with Iraqi Foreign Minister Hoshyar Zebari in Baghdad on Tuesday, Sept. 4, 2012. (AP Photo/Karim Kadim)

Virginia Governor Bob McDonnell takes a picture of his daughter Jeanine McDonnell, who served as a U.S. Army Signal Corps officer in Iraq, as she introduced Sen. John McCain, R-Ariz., at the Republican National Convention at the Tampa Bay Times Forum in Tampa, Fla. on Wednesday, August 29, 2012. (Andrew Harnik/ The Washington Times)

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Iraq's Prime Minister Nouri al-Maliki is seen during an interview with The Associated Press in Baghdad, Iraq, Sunday, Feb. 28, 2010. Iraq's Prime Minister is defending a decision to ban hundreds of candidates from the upcoming election, saying that it would not hurt Sunni turnout for next Sunday's vote. (AP Photo/ Khalid Mohammed)

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Republican presidential candidate and former Massachusetts Gov. Mitt Romney meets Polish veterans from the Iraq and Afghanistan wars as he visits the Tomb of the Unknown Soldier in Warsaw, Poland, Tuesday, July 31, 2012. (AP Photo/Charles Dharapak)

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People inspect the aftermath of a car bomb attack in Baghdad's Shiite enclave of Sadr City, Iraq, Monday, July 23, 2012. An onslaught of bombings and shootings has killed scores of people across Iraq on Monday, in the nation's deadliest day so far this year. (AP Photo/Karim Kadim)