What do Barack Obama and Muammar Gaddafi have in common? If you guessed that they're both Muslims, go to the front of the Tea Party. Their real commonality is that neither got invited to Prince William's and Kate Middleton's royal wedding. I can understand Ghaddafi's exclusion - probably bad form to have a guy in your party who's killing his own people. Besides, his wardrobe would clash with anything they'd wear. Plus he's pretty busy right now defying NATO and Anderson Cooper and most likely couldn't make it anyway. But what's with the President of the United States? He's in...