Bernie Sanders has delegate lead ahead of South Carolina primary
Vermont Senator Bernie Sanders is in South Carolina following his strong victory in the Nevada caucuses Saturday. CBSN political reporter Caitlin Huey-Burns, political contributor Antjuan Seawright, CBS News director of elections & surveys Anthony Salvanto, and Washington Examiner senior political correspondent David Drucker spoke to CBSN's "Red & Blue" about the state of the 2020 race.