President planned to make announcement before Democratic convention
President ends 19-month 'evolution'
Sweeping measure adds marriage ban to state constitution
Measures offered by Polis, Nadler, Quigley voted down
W.H. spox has no updates, says Duncan was speaking his own views
Obama campaign emphasizes distinction between POTUS and Romney
Obama administration's views on issue come under greater scrutiny
Vice prez 'absolutely comfortable' with married gay couples having 'same exact rights' as straight couples
Volunteers ready to staff phone banks, boost turnout for Tuesday vote
Mixed views on whether White House will change course