Keith Olbermann is reporting that ABC, Fox, NBC are all projecting Newt Gingrich the winner.
He also said that CNN is calling it a 9 point victory.
UPDATE: Mitt Romney came in second, per Keith.
UPDATE, via a CNN email alert:
Exit polls show former House Speaker Newt Gingrich leading former Massachusetts Gov. Mitt Romney 38% to 29% among state voters who spoke with network exit poll interviewers.
Former Sen. Rick Santorum was getting 17% in the exit polls and Rep. Ron Paul has 15%.