Top of the Ticket is scratching its head today at John McCain's appearance on the Ellen DeGeneres Show, and it's no surprise. In one of the more counterintuitive TV interviews of the political race thus far — including Hillary Clinton's tete-a-tete with FOX News' Bill O'Reilly — the two discussed President Bush's political radioactivity, McCain's reaction to the California Supreme Court ruling striking down the statewide ban on gay marriage, and Ellen's own nuptials to Portia de Rossi this summer. It was a cordial conversation, but at the end of it you've still got to wonder, what was going on in McCain's brain? You tell us:

You be the judge. Got another theory? Post it below. And for more lively debate about the future of same-sex marriage, check out this week's Dust-Up and join in the discussion.