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Stephen Colbert signs over his super PAC to Comedy Central cohort Jon Stewart on "The Colbert Report" on Thursday as lawyer Trevor Potter looks on. Mr. Colbert is contemplating a run for president in South Carolina. (Comedy Central via Associated Press)

Stephen Colbert signs over his super PAC to Comedy Central cohort Jon Stewart on "The Colbert Report" on Thursday as lawyer Trevor Potter looks on. Mr. Colbert is contemplating a run for president in South Carolina. (Comedy Central via Associated Press)

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