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The Last Word
Mark Sanford will face Elizabeth Colbert Busch
Stephen Colbert's sister, Elizabeth Colbert Busch, will face former South Carolina Gov. Mark Sanford in South Carolina's special congressional election. MSNBC's Lawrence O'Donnell, the Washington Post's Eugene Robinson, and South Carolina Democratic chairman Dick Harpootlian, discuss Sanford's fiance's public appearance and what's next for the Colbert Busch campaign.