Getty Images/Spencer Platt
A member of the U.S.Army Alpha Company 82nd Airborne patrols a vehicle check point operated by Iraqi police August 26, 2007 in Baghdad, Iraq.
AP Photo/Alaa al-Marjani
People from Shabak, a Kurdish Shiite community in north Iraqi city of Mosul, join hands to hold an Iraqi flag in the Shiite holy city of Najaf, 100 miles south of Baghdad, Iraq, Saturday, Aug. 25, 2007.
Getty Images/Spencer Platt
A woman is searched by a soldier after a male member of her family was detained as a suspected member of the Shia militia Jaish al Mahdi (JAM), which are followers of the anti-American cleric Moqtada al Sadr, in an early morning raid by U.S. Army Alpha Company 82nd Airborne August 25, 2007 in Baghdad, Iraq.
AP Photo/Hadi Mizban
Shiite pilgrims walk outside the Imam Abbas shrine in the holy city of Karbala, 50 miles south of Baghdad, Iraq on Saturday, Aug. 25, 2007. The city of Karbala is preparing for a pilgrimage when hundreds of thousands of Shiite pilgrims will come to commemorate the anniversary of the birth of their 12th Imam Mahdi on Tuesday Aug 28.
Getty Images/Ahmad Al-Rubaye
Iraqis gather around a car that was damaged during clashes overnight between US forces and militias in Baghdad's northwestern neighbourood of Shuala, a strong-hold of the Shiite Mahdi Army, August 24, 2007.
AP Photo/Khalid Mohammed
Ali Jabr weeps after losing four of his brothers in early morning clashes in the neighborhood of Shula, northwest Baghdad, Iraq, Friday, Aug. 24, 2007.
AP Photo/Khalid Mohammed
A young Iraqi boy looks through a shattered car window in the neighborhood of Shula, northwest Baghdad, Iraq, Friday, Aug. 24, 2007. The car was damaged during early morning clashes between U.S. soldiers and armed men thought to be al-Mahdi army fighters.
AP Photo/Alaa al-Marjani
An young Iraqi girl holds up a piece of a broken mirror in the Shiite holy city of Najaf, 100 miles south of Baghdad, Iraq, Thursday, Aug. 23, 2007.
AP Photo/Alaa al-Marjani
Iraqi men pray at the Immam Ali Shrine in the Shiite holy city of Najaf, 100 miles south of Baghdad, Iraq, Wednesday, Aug. 22, 2007.
AP Photo/Bassem Daham
Wrecks of cars are seen after a suicide truck bomber targeted a police agency in Beiji, 155 miles north of Baghdad, Iraq, Wednesday, Aug. 22, 2007. Officials say that at least 27 died and 65 were wounded in the incident.
Getty Images/Spencer Platt
Members of the U.S. Army Bravo Company 82nd Airborne patrol a neighborhood August 22, 2007 in Baghdad, Iraq.
AP Photo/Hadi Mizban
An Iraqi woman weeps after a parked car bomb went off in the neighborhood of Washash Baghdad, Iraq Wednesday, Aug. 22, 2007.
AP Photo
Iraqi soldiers guard a detainee that was arrested during an Iraqi Army operation just outside the city of Baqouba, some 35 miles northeast of Baghdad, Iraq, Wednesday, Aug. 22, 2007.
AP Photo
Workers of the Iraqi Red Crescent Society prepare to bury 25 unidentified and unclaimed bodies of victims of violence from the central morgue in Baqouba, 35 miles northeast of Baghdad, Iraq, Tuesday, Aug. 21, 2007.
AP Photo/Hadi Mizban
A young boy peers into a bus in east Baghdad, Iraq on Tuesday, Aug. 21, 2007. The bus struck a roadside bomb, killing two and wounding 14.
AP Photo/Loay Hameed
A man, seen through a damaged wall, cleans up after four mortar shells landed in the Abu Dashir neighborhood in Baghdad, Iraq on Monday, Aug. 20, 2007, wounding two people.
AP Photo/Karim Kadim
Firemen respond to the site of a car bomb attack in the Shiite district of Sadr City, in east Baghdad, Iraq on Monday, Aug. 20, 2007, where the blast killed at least three people and wounded six.
AP Photo/Karim Kadim
People gather at the site of a car bomb attack in the Shiite district of Sadr City, in east Baghdad, Iraq on Monday, Aug. 20, 2007.
AP Photo
Suspected al-Qaida members are blindfolded after their arrest in a raid by Iraqi soldiers in Baqouba, 35 milesnortheast of Baghdad, Iraq on Monday, Aug. 20, 2007.
AP Photo/Karim Kadim
An Iraqi policeman carries a wounded child in to a hospital in the Shiite district of Sadr City, in east Baghdad, Iraq on Monday, Aug. 20, 2007, after a car bomb attack killed at least three people and wounded six.