File photo of a gay marriage supporter with a sign at the 41st LGBT Pride parade in San Francisco

 
File photo of a gay marriage supporter with a sign  at the 41st LGBT Pride parade in San Francisco
A gay marriage supporter carries a sign at the 41st LGBT (Lesbian Gay Bisexual Transgender) Pride parade in San Francisco in this June 26, 2011 file photo. A U.S. appeals court on February 7, 2012 found California's Prop 8, a gay marriage ban, unconstitutional in a case that is likely to lead to a showdown on the issue in the U.S. Supreme Court. REUTERS/Susana Bates/Files (United States - Tags: SOCIETY)