AP Photo/Marko Drobnjakovic
A U.S. army soldier from B Company, 1st Battalion, 23rd Infantry Regiment walks across a puddle in west Baghdad's Ghazaliyah neighborhood, Iraq, Sunday, March 25, 2007.
AP Photo/Marko Drobnjakovic
Relatives of criminal court judge Ahmed Suleyman mourn during his funeral in the holy Shiite city of Najaf, Iraq, 100 miles south of Baghdad, Sunday, March 25, 2007.
Getty Images/David Furst
A US soldier from Gator Company 2-12 Infantry Battalion stands guard outside as an Iraqi man speaks with a platoon leader inside his home during a joint patrol with Iraqi Army soldiers in the predominantly Sunni al-Dora neighborhood of southern Baghdad March 25, 2007.
Getty Images/Ali Yussef
A US soldier patrols Baghdad's al-Kadhimiyah district March 23, 2007. The US military announced today the deaths of two more servicemen in Iraq, where American troops are battling a raging insurgency and sectarian bloodshed.
Getty Images/David Furst
US soldiers from Gator Company 2-12 Infantry Battalion return fire after being engaged by unknown gunmen while on patrol in the predominantly Sunni al-Dora neighborhood of southern Baghdad, March 22, 2007.
AP Photo/U.S. Air Force
U.S. Army Staff Sgt. Kenneth Gunderson provides security for his fellow soldiers from the ramp of a Stryker combat vehicle in Buhriz, Iraq, Tuesday, March 20, 2007.
AP Photo/Marko Drobnjakovic
A woman leads her children past U.S. army soldiers from the 1st Battalion, 23rd Infantry Regiment in western Baghdad's Sunni neighborhood of Ghazaliyah, Iraq, Wednesday, March 21, 2007. U.S. troops conducted a major house to house search in parts of Ghazaliyah Wednesday.
AP Photo/Marko Drobnjakovic
U.S. army soldiers from the 1st Battalion, 23rd Infantry Regiment set up barb wire in order to block a street in western Baghdad's Sunni neighborhood of Ghazaliyah, Iraq, Wednesday, March 21, 2007. U.S. troops conducted a major house to house search in parts of Ghazaliyah Wednesday.
AP Photo/Marko Drobnjakovic
A U.S. army soldier from the 1st Battalion, 23rd Infantry Regiment gives orders to a man as he searches his home in western Baghdad's Sunni neighborhood of Ghazaliyah, Iraq, Wednesday, March 21, 2007.
Getty Images/Safin Hamed
An Iraqi Kurd lights a firework early March 21, 2007, as he celebrates the Kurdish new year, or Noruz, in the town of Akri, north of Baghdad. Noruz is an ancient Zoroastrian feast starting March 21, calculated according to a solar calendar, this year marking 1386.
Getty Images/Sabah Afar
Iraqis stand next to their burned shops in Baghdad's Kadhimiyah al-Fudwa market March 21, 2007.
Getty Images/Ali Al-Saadi
An Iraqi soldier climbs on top of a tank at a checkpoint in Baghdad March 21, 2007.
Getty Images/Ahmad Al-Rubaye
Iraqi police officers gesture under a destroyed bridge, adjacent to the ministry of finance, following the explosion of a car bomb in Baghdad, March 21, 2007.
AP Photo/Asaad Mouhsin
People check a Humvee door in the Baiyaa neighborhood in western Baghdad, Iraq, Tuesday, March 20, 2007. A U.S. military convoy was hit by a roadside bomb, according to eyewitnesses, and casualties were evacuated by a helicopter.
AP Photo/Asaad Mouhsin
A man looks through a hole of a bulletproof Humvee window in the Baiyaa neighborhood in western Baghdad, Iraq, Tuesday, March 20, 2007. A U.S. military convoy was hit by a roadside bomb, according to eyewitnesses and casualties were evacuated by a helicopter.
AP Photo/Hadi Mizban
Iraqis stand by a car destroyed when a car bomb exploded in central Baghdad, Iraq, Tuesday, March 20, 2007. Three civilians were killed and seven were wounded in the blast.
AP Photo/Emad Matti
People evacuate a wounded person from a car bombing in Kirkuk, Iraq, 180 miles north of Baghdad, Monday, March 19, 2007. Four blasts rocked different parts of Kirkuk in a 35-minute period, killing at least 12 people and wounding more than 30.
AP Photo/Emad Matti
Smoke rises at a car bombing in Kirkuk, Iraq, 180 miles north of Baghdad, Monday, March 19, 2007.
AP Photo/Adil al-Khazali
An Iraqi girl looks at a U.S. soldier on a patrol in the Shiite enclave of Sadr City in Baghdad, Monday, March 19, 2007.
AP Photo/Adil al-Khazali
An Iraqi child squats by a U.S. soldier on a patrol in the Shiite enclave of Sadr City in Baghdad, Monday, March 19, 2007. U.S. soldiers have been patrolling the Shiite militia stronghold since March 4 under a deal which allowed them to enter the area without resistance.