U.S. Vice President Al Gore walks out of the Old Executive Office Building with his...

U.S. Vice President Al Gore walks out of the Old Executive Office Building with his wife Tipper and running mate Joe Lieberman after giving his election concession speech in Washington, December 13, 2000. [Democrat Al Gore ended his presidential bid against Republican George W. Bush on Wednesday and vowed to work with his former rival to "heal the divisions" of their long and bitter election battle. Gore, speaking 36 days after the November 7 election, and 23 hours after the U.S. Supreme Court denied him a hand count of disputed ballots in Florida, said he had called Bush to congratulate him on becoming the 43rd president of the United States.]