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Democratic challenger, former Republican Governor Charlie Crist (L) and Florida Republican Governor Rick Scott (R), shake hands after participating in their second debate in Davie, FL, October 15, 2014 (Credit: Reuters/Wilfredo Lee)

Democratic challenger, former Republican Governor Charlie Crist (L) and Florida Republican Governor Rick Scott (R), shake hands after participating in their second debate in Davie, FL, October 15, 2014 (Credit: Reuters/Wilfredo Lee)