TONIGHT – Sen. Rick Santorum joins us @ 6pm ET. Tune in to find out what the GOP presidential candidate is planning for New Hampshire and other details on his post-Iowa strategy.
CNN's John King and Wolf Blitzer get a late-night phone call from Iowa GOP officials Edith Pfeffer and Carolyn Tallet about the results of the Clinton County caucus, helping to complete the Iowa caucus vote totals.
In the closest-ever Iowa caucus, Mitt Romney beats Rick Santorum by just 8 votes, with Ron Paul at a close third. CNN's John King breaks down the GOP vote tally in Iowa with the Magic Wall. Do YOU think Senator Santorum can muster the ground-game in other early voting states to be a serious contender?