Fmr. GOP Lt. Gov. Duncan: ‘Kemp has forgotten more about being a Republican than Donald Trump knows about being a Republican’

Former Republican Georgia Lt. Governor Geoff Duncan, CNN Political Commentator Ashley Allison, Republican Strategists Matt Mowers and Shermichael Singleton join CNN’s Dana Bash to break down who they think Harris should consider for her VP pick and Donald Trump’s latest attack on a GOP Governor.