A wounded Iraqi boy looks at his father as U.S. doctors inspect his chect wound at the emergency room of 28th Combat Support hospital in Baghdad August 22, 2007. The 28th Combat Support Hospital, based in Baghdad's fortified Green Zone, is one of busiest military emergency rooms in the world. Medics there treat U.S. and Iraqi combat casualties and some Iraqi civilians. REUTERS/Damir Sagolj (IRAQ)