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Why Mark Sanford is 'almost certain' to be GOP nominee in SC race

05:09

Politico Playbook: Former GOP S.C. Governor Mark Sanford is facing a runoff election against fellow GOP challenger Curtis Bostic for a shot at a congressional seat vacated by Tim Scott. Politico's Mike Allen joins Morning Joe to discuss Sanford's road to political redemption and whether or not he'll be able to win out over Bostic to eventually take on Democratic challenger Elizabeth Colbert Busch.