The usual suspects descended on the Sunday talk shows today with their eyes firmly fixated on Wednesday's presidential debate, when President Obama and Mitt Romney go mano a mano for the first time. Chris Christie, appearing on no fewer than three shows, minced no words in building up expectations for Romney, saying the debate would create a "barn burner:" “This whole race is going to be turned upside down come Thursday morning,” he said, adding that even "folks like Charles Krauthammer will be happy." Paul Ryan was more measured, notes Politico, saying, "I don't think one event is going to make or break this campaign." Elsewhere on the great debate debate on your Sunday dial, as per Politico: