Joe Biden's not the only one in the Obama administration comfortable with same-sex marriage. On Morning Joe today, Mark Halperin asked Education Secretary Arne Duncan if he supported same-sex marriage, and Duncan didn't equivocate at all. "Yes, I do," he replied. Asked if he'd ever said that publicly before, he said, "I don't think I've ever been asked publicly."
Duncan is the second Cabinet member to declare his support, the Huffington Post observes; Housing and Urban Development Secretary Shaun Donovan said last November that he "absolutely" backs it. (Read more Arne Duncan stories.)