Coming up on today's show:

• John Kasich, former governor of Ohio (R), CNN senior commentator and the author of It's Up to Us: Ten Little Ways We Can Bring About Big Change (Hanover Square Press, 2019), argues that bottom-up activism can lead to solutions to intractable problems and polarization.

• Cass Sunstein, Harvard Law School professor and the author of Impeachment: A Citizen's Guide (Penguin Books, 2019), and Henry Greenberg, president of the New York State Bar Association and partner at Greenberg Traurig, LLP, discuss the legal issues surrounding impeachment.

• As under secretary of state for public diplomacy and public affairs under Obama, Rick Stengel, former editor of Time Magazine and the author of Information Wars: How We Lost the Global Battle Against Disinformation and What We Can Do About It (Grove Press, 2019), was at the center of US efforts to combat Russian disinformation in 2016. He shares that story.

• Kevin Gover, director of the Smithsonian's National Museum of the American Indian, and Nick A. Martin, staff writer at The New Republic, talk about what it means to claim Indigenous People's Day instead of Columbus Day.