Supporters of California's Proposition 8 ban on gay marriage protest outside the California Supreme Court in San Francisco, California before a hearing on the initiative September 6, 2011. California ... more 
Supporters of California's Proposition 8 ban on gay marriage protest outside the California Supreme Court in San Francisco, California before a hearing on the initiative September 6, 2011. California voters banned same sex weddings in 2008 by approving so-called Proposition 8. But last year a U.S. district judge ruled the measure unconstitutional. The hearing discusses whether supporters of an initiative like Proposition 8, could defend a ballot proposition if state leaders did not, a technical yet crucial legal issue in the closely watched gay marriage case. less 
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| Photo By REUTERS/Robert Galbraith
Sat, May 12, 2012 7:42 PM EDT