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David Goldman | AP file photo Former Utah Gov. Jon Huntsman is co-chairman with former Rep. Jim Matheson of a bipartisan group th Evan Vucci | AP file photo This 2012 photo in Manchester, N.H., shows Jon Huntsman Jr. on the presidential campaign trail. Vice President Joe Biden walks with former Utah Gov. Jon M. Huntsman during a tour of the research lab at the Huntsman Cancer Inst