It is Nixon himself who represents that dark, venal and incurably violent side of the American character that almost every country in the world has learned to fear and despise. Our Barbie-doll president, with his Barbie-doll wife and his boxful of Barbie-doll children is also America's answer to the monstrous Mr. Hyde. He speaks for the Werewolf in us; the bully, the predatory shyster who turns into something unspeakable, full of claws and bleeding string-warts on nights when the moon comes to close…