FILE – In this March 21, 2012 file photo, Vice President Joe Biden speaks at Mellon Auditorium in Washington. Biden on Sunday, May 6, 2012 said he’s “absolutely comfortable” with gay couples who marry getting the same civil rights and liberties as heterosexual couples, a stand that gay rights advocates interpreted as an endorsement of same-sex marriage. (AP Photo/Carolyn Kaster, File)