Crowded GOP race in South Carolina as primary held to replace late Sen. Lindsey Graham

Primaries are being held in six states on Tuesday. In South Carolina, a crowded field of Republicans is vying to replace the late Sen. Lindsey Graham on the ballot. There are also key races for a Senate seat in Minnesota and governor in Wisconsin. Mark Strassmann reports.

Primaries are being held in six states on Tuesday. In South Carolina, a crowded field of Republicans is vying to replace the late Sen. Lindsey Graham on the ballot. There are also key races for a Senate seat in Minnesota and governor in Wisconsin. Mark Strassmann reports.