The Kamala Harris Campaign kicks off as the vice president visits battleground Wisconsin, fresh off endorsements from two key Democrats. Plus, the chances of a Trump-Harris debate actually happening, and the latest on veepstakes. Carol Leoning, Yamiche Alcindor, Hans Nichols, Steve Israel, Gov. Jared Polis, Stuart Stevens, Juanita Tolliver, and Jeffrey Sonnenfeld join the 11th Hour.