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      Huntsman calls it quits

      At a scheduled campaign appearance at the Myrtle Beach Convention Center Monday morning, Jon Huntsman withdrew from the race for the Republican presidential nomination.

      Huntsman said he was suspending his campaign and endorsing Mitt Romney.

      The former Utah governor placed third in last week's New Hampshire primary despite devoting much of his campaign resources to the state.

      He had already acknowledged that expectations for him in South Carolina's primary this week will be "very low."

      Huntsman was routinely at the bottom of national polls, barely registering at one or two percent.

      The Associated Press contributed to this report.