The Rude Pundit sizes up Blackwater perfectly in two sentences.

Just imagine: you tell some alcoholic pistol-fellating badass wannabes that they'll get paid a thou a day to drive around Baghdad in Hummers with submachine guns and not only do they not have to follow military code, they can't even be prosecuted for "misfires." Why, they might go batshit crazy with power.

The full post is here.

Update: Indeed.