Regarding the "morality" of the Mob, and of government, here's a few lines from our favorite movie (thanks to Geoff's "The Godfather" website):
Michael: "My father is no different than any other powerful man -- any man who's responsible for other people, like a senator or president."
Kay: "You know how naive you sound...senators and presidents don't have men killed."
Michael: "Oh, who's being naive, Kay?"