Gay marriage is suddenly popular. A majority of senators now support gay marriage. The president supports gay marriage. A majority of Americans support gay marriage. Voters approved gay marriage in Washington and Maine last November, the first time it's been approved -- not taken away -- at the ballot box. In oral arguments last month, the Supreme Court looked ready to repeal the Defense of Marriage Act.
But what our map GIF shows is that this wave of support for gay rights follows two large anti-gay rights wave, first under President Bill Clinton and then under President George W. Bush. (read more here)