Mourners load the coffin of Sarmd Hamza, 19, onto a vehicle during his funeral in Najaf, south of Baghdad, Iraq, Tuesday, Aug. 17, 2010. Hamza was killed when a suicide bomber sat for hours Tuesday among hundreds of army recruits before detonating nail-packed explosives strapped to his body, killing and wounding dozens of them and casting new doubt on the ability of Iraqi forces as U.S. troops head home. (AP Photo)
In this image from mobile phone video people look on the scene where at least 61 people were killed and 125 wounded in Iraq on Tuesday, Aug. 17, 2010, when a suicide bomber blew himself up among hundreds of army recruits who had gathered near a military headquarters in the capital, Baghdad. (AP Photo)
Iraqi security forces stand guard in central Baghdad, Iraq, Saturday, Aug. 14, 2010. Gunmen killed five Iraqi security personnel Saturday, including a pair of sleeping policemen who were shot and set on fire, amid persistent debate over whether Iraqi forces can protect the country as U.S. troops. (AP Photo/Karim Kadim)
Iraqis evacuate a victim from the scene of an explosion in Basra, Iraq's second-largest city, 340 miles southeast of Baghdad, on Saturday, Aug. 7, 2010. (AP Photo/Nabil al-Jurani)
ASSOCIATED PRESS U.S. Deputy Secretary of State Jacob Lew, left, and Adm. Mike Mullen, the top U.S. military officer, right, take a question from a reporter during a press conference in Baghdad, Iraq, Tuesday, July 27, 2010.
President Obama speaks about Iraq and Afghanistan, Monday, Aug. 2, 2010, at the Disabled American Veterans national convention in Atlanta. (AP Photo/Charles Dharapak)
President Obama speaks about Iraq and Afghanistan , Monday, Aug. 2, 2010, at the Disabled American Veterans national convention in Atlanta. (AP Photo/Charles Dharapak)
An Iraqi police officer uses a bomb detector at a checkpoint in central Baghdad, Iraq, Monday, Aug. 2, 2010. Two bombings and a drive-by shooting killed eight people Monday, a reminder of Iraq's ongoing instability on a day when President Obama planned to outline progress toward the impending end of U.S. military operations in the country.(AP Photo/Karim Kadim)
In this photo taken Thursday July 22, 2010, Iraqi men play soccer in central Baghdad, Iraq. As the country is again coming dangerously close to being suspended for the third time from international football, the battle over control of the most popular sport reflects the fault lines of the power struggle over who should lead a new government and even taps into Arab-Kurdish tensions over disputed territory in the north. (AP Photo/ Khalid Mohammed)
A woman visits a grave in Section 60, where many soldiers from the Iraq and Afghanistan wars are buried, at Arlington National Cemetery in Arlington, Va. The number of graves that might be affected by mix-ups at Arlington National Cemetery grew from hundreds to as many as 6,600 on Thursday.
In this Thursday, July 15, 2010, file photo, Iraq's Minister of Justice Dara Noureddin, left, and U.S. Army Maj. Gen. Jerry Cannon, right, hold a symbolic key to the U.S. Theater Internment Facility at Camp Cropper during a ceremony transferring the facility to Iraqi control in Baghdad, Iraq. Iraq's justice minister says four al Qaeda-linked detainees have escaped from the Baghdad area prison that was handed over by the U.S. to Iraqi authorities a week ago. (AP Photo / Maya Alleruzzo, File)
Iraq's Minister of Justice Dara Noureddin, left, and U.S. Army Maj. Gen. Jerry Cannon, right, sign documents handing the U.S. Theater Internment Facility at Camp Cropper to Iraqi control at a ceremony, Thursday, July 15, 2010 in Baghdad. (AP Photo/Maya Alleruzzo)
Illustration: Iraq by Alexander Hunter for The Washington Times
Former Iraqi Prime Minister Iyad Allawi, left, meets with Muqtada al-Sadr, one of Iraq's most powerful Shi'ite political clerics, right, in Damascus, Syria, Monday, July 19, 2010. Mr. Allawi and Mr. al-Sadr are on a current visit to Syria to discuss the deadlocked government in Baghdad.(AP Photo/Bassem Tellawi)
A U.S. Army soldier from the 49th Military Police Brigade counts gas masks on Sunday, July 18, 2010, at Camp Victory in Baghdad as the unit prepares to ship their equipment and belongings home. The soldiers, based in Fairfield, Calif., are soon to leave Iraq as part of the U.S. drawdown of forces, which begins in earnest next month. The number of soldiers in Iraq is expected to go from 77,500 currently in the country to 50,000 by Sept. 1. (AP Photo/Maya Alleruzzo)
Iraqi Minister of Justice Dara Noureddin speaks after the ceremony transferring the last U.S.-controlled prison to Iraqi authorities on Thursday in Baghdad. The shift marked a milestone in Iraq's push for complete sovereignty.
** FILE ** In this Nov. 10, 2008, file photo, detainees are seen outside their cell block at the U.S. detention facility at Camp Cropper in Baghdad, Iraq. (AP Photo/Maya Alleruzzo, File)
Secretary of State Hillary Rodham Clinton listens during a joint press availability with Iraqi Foreign Minister Hoshyar Zebari, not shown, Tuesday, July 13, 2010, at the State Department in Washington. (AP Photo/Haraz N. Ghanbari)
Shi'ite pilgrims gather at the Imam Moussa al-Kadhim shrine for the annual commemoration of the saint's death, in the Shi'ite district of Kazimiyah, in Baghdad, Iraq, Wednesday, July 7, 2010. (AP Photo/Hadi Mizban)