Support WBUROpinionObama & Gay Marriage: 'Courageous' Or Put Into A Corner?; Happy 300th Podcast!PlayDownload AudioKen RudinMay 14, 2012 SharePresident Obama participates in an interview with Robin Roberts of ABC's Good Morning America in the White House on May 9. During the interview, Obama expressed his support for gay marriage, a first for a U.S. president. (Getty Images)