Or, at least a mythology eagerly spread by "enlightened" bigots. Go read what Army of Dude Alex Horton has to say in this excellent post (real fact checking even! You know, the kind the media claims to do). It ties in to the walkback Blackfive noted yesterday. Thanks to This Ain't Hell for the link.
Who is sure the reporters/producers/editors breathlessly pushing the PTSD/crazed vet meme without checking have friends, close friends, that are Soldiers/Marines/blacks/Jews/etc... /sarcasm