This screenshot from the front page of Real Clear Politics pretty much sums up the GOP nomination process as we enter December:
To wit: every pundit and commentator in America is pretty much making it up as they go along at this point. Personally, I think that it's good: electing a President is a serious business, so we should take seriously. Besides, look on the bright side. We could be Democrats, and thus pretty much stuck with pretending that Obama/Biden is a good ticket; or even an adequate one.