Former Vice President Al Gore and his wife Tipper (R) pose with singer Melissa Etheridge and her partner Tammy Lynn Michaels (L) at the 79th Annual Academy Awards Governors Ball in Hollywood, California February 25, 2007. Gore's film "An Inconvenient Truth" won an Oscar for best Documentary Feature. Etheridge won an Oscar for Best Original Song for the same film. REUTERS/Mario Anzuoni (UNITED STATES - OSCARS)