File photograph of Former U.S. Vice President Al Gore and his wife Tipper in New York
Former U.S. Vice President Al Gore and his wife Tipper pose for photos as they promote two books they are writing at the BookExpo in New York, in this May 4, 2002 file photo. Former U.S. Vice President Al Gore and his wife, Tipper, have announced their separation after 40 years of marriage, according to media reports on June 1, 2010.
REUTERS/Jeff Christensen/Files (UNITED STATES - Tags: PROFILE POLITICS)