The moderate Maine senator is loudly endorsing noted homophobe and alleged racist Jeff Sessions for attorney general.
Republican Sen. Susan Collins of Maine writes in the Washington Post she rejects the GOP nominee because of his "disregard for the precept of treating others with respect."
No Republican had ever been tested at the polls in a reelection after having supported marriage equality.
Sen. Tom Harkin of Iowa said ENDA's passage would make this "an uplifting week," amid comments from several senators on both sides of the aisle in support of the legislation.
The Democratic senator from Wisconsin and the Maine Republican are among the bipartisan sponsors in both chambers of Congress who’ve signed on to support the Domestic Partnership Benefits and Obligations Act of 2013.