The majority leader told reporters that the Employment Non-Discrimination Act has "a chance" of getting a vote in the Senate this year.
At the end of the legislative session, Republican lawmakers in Texas are trying to quietly pass bills that activists say are transphobic and antigay.
The Nevada assembly passed legislation Tuesday to address hate crimes against transgender people.
All three states currently have constitutional amendments banning same-sex marriage.
Jason and David fell in love seven years ago but have been separated 17 times thanks to DOMA.
Gov. Mark Dayton appeared on The Last Word with Lawrence O'Donnell to reflect on how Minnesota became the 12th state to legalize same-sex marriage.
Marriage equality is gaining unprecedented momentum, and now more than 2 million LGBT Americans can marry the person they love.