Watch closely (:53), and you can see the moment when Barack Obama, during a campaign stop with his wife and Oprah in South Carolina, makes an ill-advised attempt to redeem himself after that stiff dance routine on Ellen. What follows that moment looks less like a presidential candidate and more like a move-busting, freak-nasty rump shaker who is unwavering in his insistence on dropping it like it's hot. The butter, after all, is not going to churn itself.