There are few Marine Corps legends like that of Carlos Hathcock. If there's a pantheon of Marine Corps gods somewhere, Hathcock is definitely among them. He served the Corps and his country for 20 years, including two tours as a sniper in Vietnam, where he racked up what was then the world record for confirmed kills at 93 - although he believed the actual number was somewhere around 300. "Carlos just really believed in what he was doing out there. He was saving Marines; that's how he really...