Trump campaigning for Darline Graham after debate gaffe

President Trump is in South Carolina Friday night to campaign for Sen. Darline Graham as she continues her campaign for a full term in her late brother Lindsey Graham's Senate seat. CBS News' Nikole Killion reports.

President Trump is in South Carolina Friday night to campaign for Sen. Darline Graham as she continues her campaign for a full term in her late brother Lindsey Graham's Senate seat. CBS News' Nikole Killion reports.