You've heard all about how the black vote, the Latino vote, and the youth vote won Obama the election. But gay voters made a crucial difference too - a difference that may have cost Romney the election.
LGBT Americans voted 76% for Obama but only 24% for Romney, according to a new study. That means the gay vote gave Obama a 2.6% edge over Romney - very close to the 3% popular vote margin by which he won.
Put another way, if no one gay had voted, then Obama would have just barely won the popular vote, by less than half a percentage point. And he certainly wouldn't have the "mandate" some commentators are claiming for him. (Obama scored 50.7 of the popular vote to Romney's 47.7%.)