Romney has scored some rhetorical points against Gingrich tonight, but what really strikes me is his manner and body language. He seems to have been coached to smile less, glare more, and (if anything) speed up his already speedy diction. Or perhaps Romney is just angrier than before. Whatever the reason, I do not think this is the right fit for him. Visual cues matter, and in this case I think Romney is communicating nervousness and testiness, not strength and passion.