Dowd has covered Donald Trump and Hillary Clinton since the 1990s. She was with the real estate mogul when he shyly approached his first Presidential rope line in 1999. She won a Pulitzer prize that same year for her penetrating columns on Bill Clinton's impeachment follies. In this perilous campaign season, The New York Times columnist traces the psychologies and pathologies in one of the nastiest and most significant presidential campaign battles ever.