"With a bumper crop of presidential candidates surfacing, I have concluded that a plague of presidentialitis has swept the nation. Speaking from experience, I must remind all these worthy contenders that once this dreaded disease whose symptoms include delusions of grandeur and an urge to make repeated visits to Iowa gets into a man s bloodstream, it can only be cured by embalming fluid." Mo UdallMorris "Mo" Udall, Arizona's Democratic congressman for thirty years, was as well known for his sense of humor as for his dedication to environmental causes. And it was during his 1976 campaign for...