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Republican Presidential Candidates Romney and Huntsman Campaign In New Hampshire On July 4th

AMHERST, NH - JULY 4: Former Ambassador to China and Republican presidential candidate Jon Huntsman marches in a Fourth of July Parade with daughters Gracie Mei (L) and Asha July 4, 2011 in Amherst, New Hampshire. Huntsman will also be speaking at barbecues during the campaign swing during the holiday. (Photo by Darren McCollester/Getty Images)

Former GOP candidate Jon Huntsman

April 24, 2012

Jon Huntsman withdrew from the Republican race for president on January 15 and endorsed his former rival, Mitt Romney.