(An open letter to Christine Todd Whitman) Dear Director, You are in a fair way to being remembered as the Robert S. McNamara of the environment. Live with your obituary in mind, Peter Drucker counsels. The resignation on principle is electrifyingly rare. Cyrus Vance, over Carter's ill-advised rescue mission in Iran; William Jennings Bryan, over Wilson's tough line toward Germany: that about does it for the twentieth century. It will make you a national figure, part of a trend of women whistle-blowers. The Resignation Principle | 
