The presidential race has been a goldmine for talk shows (well, when the Writers' Guild strike isn't happening) and nowhere is that more apparent than on The Daily Show and The Colbert Report. On last night's Colbert Report, on a riff about John McCain's Super Tuesday chances and taking credit for Mike Huckabee'e campaign, Stephen Colbert was joined by Jon Stewart, his Comedy Central crony, and then Conan O'Brien! This comes after O'Brien discussed......