AP Photo/Petr David Josek
A U.S. Army soldier from Bravo Company, 1st Battalion, 5th Cavalry Regiment, 2nd Brigade, 1st Cavalry Division casts a shadow onto a wall during a census operation in the Amariyah neighborhood of west Baghdad, Iraq, Sunday, Aug. 12, 2007.
Getty Images/Spencer Platt
A boy waits to get work at a gas station Sunday, Aug. 12, 2007, in Baghdad, Iraq. Endemic fuel shortages across Iraq have led to long lines and rampant profiteering.
Getty Images/Spencer Platt
A boy runs past a soldier with the U.S. Army 82nd Airborne while guarding a gas station Sunday, Aug. 12, 2007, in Baghdad, Iraq. Endemic fuel shortages across Iraq have led to long lines and rampant profiteering.
AP Photo/Karim Kadim
Iraqi women look through a bullet-riddled windshield after an overnight raid by U.S. troops in the Shiite enclave of Sadr City in Baghdad, Iraq on Sunday, Aug. 12, 2007. Police and residents said U.S and Iraqi troops backed by helicopters raided the east Baghdad neighborhood on early Sunday, killing two people and wounding 4 others. The U.S. military said it was looking into the report.
Getty Images/Spencer Platt
Spec. Rafael Mendez of Providence, R.I., a member of the U.S. Army 82nd Airborne, mans a lookout on a combat outpost base Saturday, Aug. 11, 2007, in Baghdad, Iraq.
Getty Images/Wissam Al-Okaili
An Iraqi boy looks through a damaged window of al-Alawi Shiite mosque in Baghdad's al-Ubaidi neighborhood after an alleged overnight U.S. raid, Saturday, Aug. 11, 2007. The raid lasted two hours and U.S. forces arrested 15 people, an Iraqi military official said.
AP Photo/Yahya Ahmed
A boy picks through scorched melons after a suicide car bomber drove into a crowed market in a Kurdish area in the northern city of Kirkuk, 180 miles north of Baghdad, Iraq on Friday, Aug. 10, 2007.
AP Photo/Emad Matti
Smoke rises over a crowded market after a suicide car bomber struck a market in a Kurdish area in the northern city of Kirkuk, Iraq, Friday, Aug. 10, 2007. The attack in Kirkuk, a disputed oil-rich city that has seen a recent rise in ethnic tensions, occurred while the capital remained relatively calm under a driving ban aimed at preventing such attacks during a major Shiite pilgrimage.
Getty Images/Spencer Platt
A member of the U.S. Army 2nd Brigade 1st Infantry Division stands guard as thousands of religious Shias leave the Musa Al-Kadhim Mosque in the Khadamiya neighborhood at the conclusion of an annual march to commemorate the eighth-century death of a key Shia saint August 9, 2007 in Baghdad, Iraq.
Getty Images/Spencer Platt
A female Shia pilgrim is cooled off with water after leaving the Musa Al-Kadhim Mosque in Khadamiya neighborhood at the conclusion of an annual march to commemorate the eighth-century death of a key Shia saint August 9, 2007 in Baghdad, Iraq.
AP Photo/Hadi Mizban
Shiite pilgrims attend evening prayers at the holy shrine of Imam Moussa al-Kadhim in the Kazimiyah neighborhood of north Baghdad, Iraq on Thursday, Aug. 9, 2007. Hundreds of thousands of Shiite pilgrims made their annual march to commemorate the eighth-century death of Imam Moussa al-Kadhim, a key Shiite saint.
AP Photo/Petr David Josek
An Iraqi woman, seen through a barbed wire, passes a checkpoint in the Khazimiyah neighborhood of north Baghdad, Iraq, on Wednesday, Aug. 8, 2007. Iraqi authorities are increasing security as they prepare for a major Shiite pilgrimage, the annual march to commemorate the eighth-century death of Imam Moussa al-Kadhim, a key Shiite saint.
Getty Images/Wissam Al-Okaili
Iraqis look through a window to inspect damage at a house following a US military airstrike in the predominantly Shiite Baghdad suburb of Sadr City, August 8, 2007.
AP Photo
An Iraqi policeman stands guard over a suspected al-Qaida member after a joint raid by U.S. and Iraqi security forces in Baqouba, 35 miles northeast of Baghdad, Iraq on Wednesday, Aug. 8, 2007.
Getty Images/Wissam Al-Okaili
Iraqi men inspect a bullet-riddled vehicle following a US military airstrike in the predominantly Shiite Baghdad suburb of Sadr City, August 8, 2007.
Getty Images/Spencer Platt
U.S. military helicopter flies at dusk August 6, 2007 over Baghdad, Iraq. Twenty-eight people, including 19 children, were killed today when a suicide bomber detonated his bomb-laden truck in a residential area in the northern Iraqi city of Tal Afar.
Getty Images/Spencer Platt
A U.S. Army from the 2nd Brigade 1st ID from participates in a night patrol August 7, 2007 in Baghdad, Iraq. Iraq's Shia-led government continues to splinter as members of a Sunni block have walked out and continue to refuse to join back into the government.
Getty Images/Spencer Platt
Children play soccer behind blast walls August 6, 2007 over Baghdad, Iraq. Twenty-eight people, including 19 children, were killed today when a suicide bomber detonated his bomb-laden truck in a residential area in the northern Iraqi city of Tal Afar.
Getty Images/Sabah Afar
People walk in a street that leads to the entrance of the Shrine of Shiite Imam Musa al-Kadhim, August 6, 2007 in Baghdad's al-Kadhimiyah district. Iraqis Shiites and pilgrims will gather August 9, 2007 to pay their homage to the revered Imam Musa al-Kadhim at his mausoleum in Baghdad.
AP Photo/Petr David Josek
An Iraqi woman peaks out from a line that is queued for water and food supplies distributed by the U.S. Army in the Amariyah neighborhood of west Baghdad, Iraq on Monday, Aug. 6, 2007.