Power corrupts--that has been said and written so often that it has become a cliche. But what is never said, but is just as true, is that power reveals. When a man is climbing, trying to persuade others to give him power, he must conceal those traits that might make others reluctant to give it to him, that might even make them refuse to give it to him. Once the man has power, it is no longer necessary for him to hide those traits. In