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The Difference, Herman Cain Says, Is 'Substance'

An NBC/Wall Street Journal poll out this week puts a new name at the top of the race for the Republican presidential nomination: Herman Cain. The poll shows the former head of Godfather's Pizza is at 27 percent, with former Massachusetts Gov. Mitt Romney just 4 points behind. Cain spoke with Weekend Edition Saturday host Scott Simon about his surge to front-runner status.