And then there were five -- Jon Huntsman has dropped out of the race for the Republican nomination for president.
Huntsman made the announcement in South Carolina on Monday, nearly a week after a disappointing third place finish in the New Hampshire primary, a state on which the moderate had pinned his hopes. But he failed to catch fire, garnering just 17% of the vote. He was sure to fare far worse in more conservative South Carolina.
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He threw his support behind Mitt Romney despite admitting the two men have differences "and space between us on some of the issues."