Promised real power as Bill Clinton's vice president, Al Gore found he had a rival for that role: the First Lady. And when Hillary decided to run for the Senate, a tense competition got ugly. In an excerpt from her new book about the Clinton White House years, [Sally Bedell Smith] reveals how conflicting agendas—the triangle of a scandal-ridden lame-duck president, the wife he'd betrayed, and his designated successor—sapped Gore's 2000 campaign as the bond between two couples dissolved into distrust, anger, and resentment.