Fran Townsend: Revoking former intelligence officials' security clearance could create "chilling effect"

Fran Townsend, a former homeland security adviser to President George W. Bush, said that revoking the security clearance of former CIA Director John Brennan could have a "chilling effect." Townsend spoke to Elaine Quijano on CBSN's "Red & Blue" with her reaction to President Trump's decision.