Do presidential debates change minds anymore?

Do presidential debates even matter in 2020? Do they change anyone's mind about who they're voting for? If you showed the debate between Biden and Trump to someone 50 years ago, what would they think? Dr. Ben Berger, Associate Professor of Political Science at Swarthmore College & Executive Director of the Lang Center for Civic and Social Responsibility joins KYW Newsradio In Depth for a fascinating look at presidential debates of the past and how both the debates and the response they've elicited have changed.