DNC Day 1: Pressure is on Kamala Harris to deliver as some say 'we don't even know her

Today On Deadline is in Chicago where KCBS political reporter Doug Sovern and WBBM political reporter Craig Dellimore are giving you an on-the-ground look at day one of the Democratic National Convention. Does Joe Biden have any regrets about stepping down? Who will Democrats tap to keep delegates and voters energized for Vice President Kamala Harris? ‘On Deadline’ is hosted and produced by Lauren Barry. It’s also produced by Joe Hiti, Christy Strawser. Sound design by Joe Hiti.