Getty Images/Spencer Platt
A woman becomes distraught as members of U.S. Army Bravo Company 212 Cavalry briefly question her son in the Ghazaliya neighborhood Sunday, Aug. 19, 2007, in Baghdad, Iraq.
Getty Images/Spencer Platt
Pvt. Nick Mummert of Lancaster, Pa., with the U.S. Army Bravo Company 212 Cavalry guards a street corner during a weapons search in the Ghazaliya neighborhood Sunday, Aug. 19, 2007, in Baghdad, Iraq.
AP Photo/Nabil al-Jurani
An Iraqi man holds a human skull after police found a grave containing 30 bodies in southwestern Basra, 340 miles southeast of Baghdad, Iraq, Sunday, Aug. 19, 2007. Police said the mass grave contained victims of the 1991 Shiite uprising.
AP Photo/Petr David Josek
An Iraqi man walks through the rubble at a suicide truck bombing site in the village of Qahtaniya, 75 miles west of Mosul, Iraq on Sunday, Aug. 19, 2007.
AP Photo/Petr David Josek
A U.S. military helicopter blasts dust as it lands near the site of a suicide truck bombing in the village of Qahtaniya, 75 miles west of Mosul, Iraq, Sunday, Aug. 19, 2007.
AP Photo/ Alaa al-Marjani
Umm Hussein harvests rice on a small farm near Najaf, 100 miles south of Baghdad, Iraq, on Sunday, Aug. 19, 2007. The woman says she makes less than $2 per day.
AP Photo/Petr David Josek
An Iraqi girl is searched by a female U.S. Army soldier(obscured) from Alpha Company, 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division at a checkpoint in the Amariyah neighborhood of west Baghdad, Iraq, on Wednesday, Aug. 15, 2007.
AP Photo/Petr David Josek
U.S. Army troops look on as smoke from a military controlled detonation rises over the Amariyah neighborhood of west Baghdad, Iraq on Wednesday, Aug. 15, 2007.
AP Photo/APTN
An image taken from video shows an injured boy recovering in a hospital in Dahuk, 260 miles northwest of Baghdad, Iraq, Wednesday, Aug. 15, 2007. Four simultaneous suicide bombing attacks on Tuesday aimed at communities of a small Kurdish sect in northwestern Iraq, killed at least 200 people and wounded 300 more, Iraqi military and local officials said.
AP Photo/Ghassan al-Yassiri
Iraqi boys fish in a marsh near Karbala, 50 miles south of Baghdad, Iraq on Tuesday, Aug. 14, 2007. The area, considered by many to be the cradle of Western civilization, was refilled with water for the first time in 2005 after Saddam Hussein drained the area after the 1991 Gulf War to retaliate against the people who had lived there for thousands of years.
Getty Images/Spencer Platt
A young girl walks on the street Tuesday, August 14, 2007 in Baghdad, Iraq. Police reported that at least five people were killed and a dozen were missing after a suicide bomber detonated a truckload of explosives on a key bridge north of the Iraqi capital today.
AP Photo/Petr David Josek
Iraqi members of the Amariyah Volunteers, former insurgents who have joined forces with the U.S. and Iraqi troops to fight al Qaeda, guard the street in front of their newly established headquarters as the U.S. Army troops of Alpha Company of 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division pass by in the Amariyah neighborhood of west Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Petr David Josek
A U.S. Army soldier from Alpha Company, 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division sits in a Bradley Fighting Vehicle before an operation in the Amariyah neighborhood of west Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Karim Kadim
Mohammed Abdullah grieves for his brother Hussein Abdullah, who was killed along with his three-year-old daughter, Zahraa while sleeping on the roof of their Sadr City home in east Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Petr David Josek
An Iraqi member of the Amariyah Volunteers, former insurgents who have joined forces with the U.S. and Iraqi troops to fight al Qaeda, secures a street in front of their newly established headquarters in the Amariyah neighborhood of west Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Karim Kadim
Umm Nadhim is seen through a damaged gate after her son was arrested in their Sadr City home in east Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Petr David Josek
An Iraqi member of the Amariyah Volunteers, former insurgents who have joined forces with the U.S. and Iraqi troops to fight al Qaeda, adjusts his ammunition belt in front of their newly established headquarters in the Amariyah neighborhood of west Baghdad, Iraq, on Tuesday, Aug. 14, 2007.
AP Photo/Petr David Josek
U.S. Army troops from Alpha Company, 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division get ready for an operation in the Amariyah neighborhood of west Baghdad, Iraq on Tuesday, Aug. 14, 2007.
AP Photo/Petr David Josek
"Omam Abed", 20, an Iraqi member of the Amariyah Volunteers, former insurgents who have joined forces with the U.S. and Iraqi troops to fight al Qaeda, looks on during a joint operation with U.S. Army troops of Alpha Company of 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division in the Amariyah neighborhood of west Baghdad, Iraq on Monday Aug. 13, 2007.
AP Photo/Petr David Josek
Staff Sgt. Brandon Goodman from Alpha Company, 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division looks on during a search operation in the Amariyah neighborhood of west Baghdad, Iraq on Monday, Aug. 13, 2007.