When Joe Trippi signed on to manage Howard Dean's 2004 presidential campaign, the long-shot candidate had 432 known supporters and $100,000 in the bank. Within a year, Trippi and his energetic but inexperienced team had transformed the most obscure horse in the field into a front-runner, creating a groundswell of 640,000 people and raising more money than any Democrat in history -- more than fifty million dollars -- mostly through donations of one hundred dollars or less.