Georgia GOP Senator David Perdue refuses to debate during runoff campaign

As the candidates in Georgia's two Senate races campaign for their January 5th runoffs, Democrat Jon Ossoff is calling out his opponent, Republican incumbent David Perdue, for declining to participate in any more debates. The Atlanta Journal-Constitution's political reporter Greg Bluestein joins CBSN's "Red and Blue" anchor Elaine Quijano with more on the closely-watched runoff campaigns, which will determine which party controls the Senate.