Bill Clinton, who signed the Defense of Marriage Act into law in 1996, now says it's unconstitutional and should be struck down by the Supreme Court.
MORE: http://www.washingtonpost.com/opinions/bill-clinton-its-time-to-overturn-doma/2013/03/07/fc184408-8747-11e2-98a3-b3db6b9ac586_story.html
See also...
Defense Of Marriage Act Promotes Religion And Should Be Struck Down, Says Americans United
https://www.au.org/media/press-releases/defense-of-marriage-act-promotes-religion-and-should-be-struck-down-says?utm_source=AU+main+email+list&utm_campaign=c3fbd4cfe7-2013-03-04+DOMA+Promotes+Religion&utm_medium=email
Opposition to same-sex marriage narrows
http://www.heraldnet.com/article/20130307/NEWS02/703079929
DOMA Supreme Court Brief Argues That Law Restricts Political Activity For Gay Married Couples
http://www.huffingtonpost.com/2013/03/01/doma-supreme-court-brief_n_2791233.html