Gallup reports that the race is tightening:
Ezra Klein, on the other hand, insists that a Gingrich victory in South Carolina would "delay rather than derail Romney's nomination." As far as historical precedent is concerned:
The last time different Republican candidates won the Iowa caucuses, the New Hampshire primary, and the South Carolina primary was … never. For the Democrats, however, it happened in 1988: Dick Gephardt won Iowa, Michael Dukakis won New Hampshire, and Jesse Jackson won South Carolina. Dukakis, of course, went on to win the nomination. Come to think of it, that's probably not a historical analogy Mitt Romney likes very much.
Mickey – surprise! – differs, and ponders a brokered convention. I'm not predicting anything but drama. I'd only add that delegates matter more than polls and hype; that Romney's failure to seal the deal makes the deal less and less likely, and that Paul is not going away.
The Dish 