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The Digg story "U.S. Soldier throws puppy off cliff" had, at last count, 5,527 votes. Digg commenters, never a demure crowd, aren't holding back their rage. One comment, itself voted for 540 times, reads "Wow. I hope he got shot in the face later that day." This video exposes something about the dehumanization of American troops in Iraq and Afghanistan that most of us don't want to think about. Here are five more videos that show just how far gone our troops are. A warning: These videos are explicit and — with the known correlation between violence toward animals and violence toward other humans in mind — savagely disheartening.