Gingrich Says Romney Is the Most Likely Republican Nominee
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Republican presidential candidates, former Massachusetts Gov. Mitt Romney, left, and former Speaker of the House Newt Gingrich participate in a debate in Mesa, Arizona on Feb. 22, 2012. After the latest round of primary voting, Romney has 658 delegates, according to an Associated Press tally. That is more than half the 1,144 needed to capture the nomination. Gingrich has 135 delegates.