U.S. Army Spc. Patrick Read, 24, from Medford, Ore., of Delta Co., 2nd Battalion, 7th Cavalry Regiment, 4th Brigade, 1st Cavalry Division, patrols in northern Mosul, Iraq Sunday, April 29, 2007.
Firefighters hose down burning vehicles following an explosion in a crowded commercial area near the Imam Hussein shrine in Karbala, 50 miles south of Baghdad, Saturday, April 28, 2007.
An Iraqi policeman stands guard as remains of some of 60 Iraqi people who were killed in the 1991 Shiite uprising, are buried in Karbala, 50 miles south of Baghdad, Iraq, Saturday, April 28, 2007.
Iraqis gather at the scene of an explosion in a crowded commercial area near the Imam Hussein shrine in Karbala, 50 miles south of Baghdad, Saturday, April 28, 2007.
Iraqis try to comfort a weeping man at the site of a suicide car bomb in the holy city of Karbala, central Iraq, April 28, 2007. A suicide car bomb attack near a revered Shiite shrine in the central Iraqi city of Karbala killed at least 55 people and wounded nearly 160, a health ministry official said.
An Iraqi woman opens the gate of her house to Iraqi army soldiers conducting a search and raid operation in the town of Hilla, central Iraq, early April 27, 2007.
U.S. Army, Col. Ricky D. Gibbs, 4th Infantry Brigade Combat Team, 1st Inf. Div. commander, left, points out key spots in the Doura Market to Maj. Gen. Jeffery W. Hammond, commander of the 4th Infantry Division, during a visit to the Rashid District, Baghdad, Thursday, April 26, 2007.
Iraqis inspect a damaged vehicle following a car bomb explosion in Baghdad, Iraq, Thursday, April 26, 2007. A parked car bomb exploded in Jadriyah neighborhood, killing eight civilians and wounding 19 others, including students from nearby Baghdad university.
U.S. soldiers man a check point in central Baghdad, Iraq, Thursday, April 26, 2007. U.S. President George W. Bush next week is expected to receive, and swiftly reject, legislation ordering U.S. troops to begin coming home from Iraq later this year.
A soldier from Alpha Company, 2nd Battalion, 3rd Infantry Regiment, 3rd Stryker Brigade Combat Team talks to a woman in the Sunni neighborhood of Ameriyah while searching her home in Baghdad, Iraq Wednesday, April 25, 2007.
An Iraqi child looks through a shrapnel ridded glass shop window in Shiite district of Sadr City in Baghdad, Iraq, Thursday, April 26, 2007. An Iraqi man locals said was killed in an attack by the U.S. Air Force early morning and the U.S. military said it was checking the report, but could not immediately confirm it.
The sun sets on Camp Striker in Baghdad, Iraq Tuesday, April 24, 2007. An al Qaeda-linked group claimed responsibility Tuesday for a suicide truck bombing that killed nine U.S. paratroopers in the worst attack on American ground forces in Iraq in more than a year.
An Iraqi boy moves through a gap between concrete blocks in what appears to be a part of the security barrier around the Sunni Arab quarter of Azamiyah, in Baghdad, Iraq, Tuesday, April 24, 2007. Plans for the separation barrier to protect the Azamiyah neighborhood were in doubt after Prime Minister Nouri al-Maliki criticized the idea of creating "gated communities" to separate Baghdad's sectarian neighborhoods.
Iraqi students walk past a banner expressing condolences for the shooting victims of Virginia Tech, on the fence of the Baghdad Technology University, Iraq, Tuesday, April 24, 2007.
Local Iraqis inspect the damage caused by a suicide bomb attack on a highway near Ramadi, 70 miles west of Baghdad, Iraq, Monday, April 23, 2007. The suicide attack on a roadside restaurant killed at least 19 people and wounded 35, said Ramadi police Maj. Fuad al-Asafia.
U.S. Army Sergeant Patrick Donlan from Canajoharie, N.Y., of the D-CO 2/325 AIR 82nd Airborne Division frisks a man after stopping his vehicle April 23, 2007, in Baghdad, Iraq. The soldiers are part of the United States military surge as they try to help control the violence-plagued city.
Residents of Sunni Muslim enclave of Azamiyah carry huge Iraqi flag as they protest against the building of a three-mile long concrete wall that the U.S. military announced last week, in Baghdad, Iraq, Monday, April 23, 2007.
An Iraqi woman looks at residents of the Sunni Muslim enclave of Azamiyah as they protest against building a three-mile long concrete wall that U.S. military announced plans for last week, in Baghdad, Iraq, Monday, April 23, 2007.
U.S. military police inspect wreckage at the scene of a car bomb blast in Baghdad, Iraq, Monday, April 23, 2007. A parked car bomb exploded in a parking lot near the Iranian Embassy, killing one civilian and wounding another, Iraqi police said.
A U.S. soldier stands guard at the scene of a car bomb attack in Baqouba, 35 miles northeast of Baghdad, Iraq, Monday, April 23, 2007.