They joined the military into college, or out of the ghetto, or because of its seemingly studly glamour. "I saw a Marine when I was in high school," Sergeant Robert Sarra recalls in a new documentary. "And I was like, that's it! They're mean, they're tough, they got cool uniforms, and chicks dig 'em." That image barely survived through Sarra's basic training--brainwashing, he and other young men now call it. As for combat, he found it less like a Top Gun video game, shooting MiGs out of the sky, and more like Grand Theft Auto, bombing civilians crossing a Baghdad street.
Patricia Foulkrod's...