Donald Trump continues to eat up most of the attention in the GOP race, and lead in all the polls. But the jockeying just below Trump gets more interesting: Carson is dropping, Rubio and Cruz are rising, and Christie could be ready to pounce.

With the Iowa caucuses two months away, here's our outlook on who matters and who doesn't.

Timothy P. Carney, the Washington Examiner's senior political columnist, can be contacted at tcarney@washingtonexaminer.com. His column appears Tuesday and Thursday nights on washingtonexaminer.com.