FILE - This Sept. 6, 2011 file photo shows a man walking past a group of people protesting against gay marriage outside a courtroom where the California Supreme Court was hearing arguments in San Francisco. The Obama administration is quietly considering urging the Supreme Court to overturn California’s ban on gay marriage, a step that could be a major political victory for advocates of same-sex unions. (AP Photo/Eric Risberg, File)

Associated Press
FILE - This Sept. 6, 2011 file photo shows a man walking past a group of people protesting against gay marriage outside a courtroom where the California Supreme Court was hearing arguments in San Francisco. The Obama administration is quietly considering urging the Supreme Court to overturn California’s ban on gay marriage, a step that could be a major political victory for advocates of same-sex unions.  (AP Photo/Eric Risberg, File)
People protesting gay marriage gathered outside a courtroom where the California Supreme Court was hearing arguments in San Francisco on Sept. 6, 2011. (Eric Risberg/AP)