Excerpted from For Love of Politics—Bill and Hillary Clinton: The White House Years, by Sally Bedell Smith, to be published this month by Random House, Inc.; © 2007 by the author.http://www.vanityfair.com/politics/features/2007/11/cli... 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, the author 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.