One major party in American politics, the Democrats, has consciously identified itself with underdogs. This book analyzes the relationship between the party and the main political ideology of its base, which is liberalism. It also analyzes culture and the enduring appeal of underdogs as well as specific Democratic presidential candidates, their campaigns and their presidencies. These include Thomas Jefferson, FDR, JFK, Hubert Humphrey, George McGovern, Jimmy Carter, Gary Hart, Bill Clinton, Howard Dean and Barack Obama.