Book excerpt: It didn't start with Clinton, or even Kennedy. Ever since the Father of our Country was sworn in over 200 years ago, the White House has seen its share of oversexed, adulterous, philandering presidents. From Washington's countless bed partners to Jefferson's illegitimate children, Kennedy's notorious womanizing to Clinton's unstoppable libido, find out the surprising and sometimes bizarre sexual practices of all the men in the Oval Office.