Dana's back at Chicago's United Center to bring you live coverage of day four of the Democratic National Convention, which will culminate with a historic moment as Kamala Harris becomes the first Vlack woman and first Asian American to lead a major party's ticket. It will no doubt be the biggest audience she's ever spoken to, and comes just 32 days into her unexpected campaign.  Learn more about your ad choices. Visit podcastchoices.com/adchoices