05/13/2011 11:06 am ET Updated Jul 13, 2011

Jon Huntsman -- The Would Be Republican Presidential Candidate Democrats Most Fear

Republican presidential hopeful Jon Huntsman has just proved he can keep 1,100 graduating college kids awake for 17 minutes -- and even led them in a popular local cheer about kicking ass. But Obama's lean, understated former ambassador to China is really here to prove he can mount a credible campaign against the man he was working for a week prior. In a brightly lit cinder-block room inside the sports arena where the University of South Carolina has held its commencement, the former Utah governor jokes that the stark setting of our interview -- his first since returning to the U.S. -- suggests he might be in for some "enhanced interrogation."

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