A woman holds up a sign that reads "REPEAL DOMA," the Defense of Marriage Act, as a group from Alabama prays in front of the Supreme Court in Washington, Wednesday, March 27, 2013. In t

 

              A woman holds up a sign that reads "REPEAL DOMA," the Defense of Marriage Act, as a group from Alabama prays in front of the Supreme Court in Washington, Wednesday, March 27, 2013. In t
A woman holds up a sign that reads "REPEAL DOMA," the Defense of Marriage Act, as a group from Alabama prays in front of the Supreme Court in Washington, Wednesday, March 27, 2013. In the second of back-to-back gay marriage case, the Supreme Court is turning to a constitutional challenge to the law that prevents legally married gay Americans from collecting federal benefits generally available to straight married couples. (AP Photo/Carolyn Kaster)