Chris Ayres is a small-town boy, a hypochondriac, and a neat freak with an anxiety disorder. Not exactly the picture of a war correspondent. But when his boss asks him if he would like to go to Iraq, he doesn't have the guts to say no. After signing a $1 million life-insurance policy, studying a tutorial on repairing severed limbs, and spending $20,000 in camping gear (only to find out that his bright yellow tent makes him a sitting duck), Ayres is...