ABC News political analyst Matt Dowd joins Senior Executive Producer Chris Vlasto to discuss Mueller’s upcoming congressional appearance: "It will get people focused." Dowd, former chief strategist for President Bush, also gives insight into Vice President Biden's chances in the democratic primary: "When you get a hundred percent name I.D. and you're getting 30 percent of the vote, that's concerning." Later, the conversation turns to partisanship in the 2020 race: "Democracies don't work when people are so tribal." Learn more about your ad choices. Visit megaphone.fm/adchoices