Iraqis follow a June 14 parliamentary session on local TV at a barbershop in Baghdad. Sabah Arar/AFP/Getty Images hide caption

itoggle caption Sabah Arar/AFP/Getty Images

A Sons of Iraq volunteer stands guard at a checkpoint in the Azamiyah neighborhood in northern Baghdad in September 2008. The U.S.-backed paramilitary force is credited with helping to defeat al-Qaida in Iraq. Now, its fate hangs in limbo as the U.S. withdraws its troops. Hadi Mizban/AP hide caption

itoggle caption Hadi Mizban/AP

An Iraqi conservator repairs damaged manuscripts at the Iraqi National Library and Archives in Baghdad in December 2007. The Iraqi government is negotiating with U.S. authorities the return of millions of documents seized by U.S. troops and sent to Washington after the 2003 invasion -- including records compiled for Saddam Hussein's regime under its vast and brutal domestic spying operation. The library's director, Saad Eskander, says the return of the files is part of "the democratization of information." Sabah Arar/AFP/Getty Images hide caption

itoggle caption Sabah Arar/AFP/Getty Images

An Iraqi army soldier and a U.S. Army soldier stand guard during a joint patrol in Mosul in March 2009. Maya Alleruzzo/AP hide caption

itoggle caption Maya Alleruzzo/AP

An injured man is seen after a car bomb attack in Baghdad on Sunday. Twin car bombs exploded near a major square in Baghdad, killing several people and wounding dozens in the latest attack targeting a high-profile area in the capital. Hadi Mizban/AP hide caption

itoggle caption Hadi Mizban/AP

Marines wait outside a building to take psychological tests in September 2009. The military assesses troops in search of clues that might help predict mental health issues. Jae C. Hon/AP hide caption

itoggle caption Jae C. Hon/AP

Sgt. Victor Medina suffered brain damage when an IED hit his truck in Iraq. Even after he was diagnosed with a traumatic brain injury, he found he had to fight to get adequate care. Blake Gordon/Aurora Photos hide caption

itoggle caption Blake Gordon/Aurora Photos

A U.S. soldier drags a tent as his unit prepares to leave its base northeast of Baghdad. U.S. troop levels will be cut in half, to 50,000, by Aug 31. Khalid Mohammed/AP hide caption

itoggle caption Khalid Mohammed/AP

Michelle Dyarman, a former major in the Army reserves, was involved in two roadside bomb attacks and a Humvee accident in Iraq in 2005 that left her with serious cognitive problems. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Iraqi Prime Minister Nouri al-Maliki, seen here in August 2009, remains confident his alliance will retain the premiership despite finishing second in the election. Khalid Mohammed/AP hide caption

itoggle caption Khalid Mohammed/AP