The "Dying of Whiteness" author talks about what he’s learning from new focus groups and why the 2019 Democratic victories in the Kentucky and Louisiana governor’s races "in the middle of Trumpism" provide a roadmap for bridging the divide.

The director and singer discuss their latest movie “The United States vs. Billie Holiday” and how the FBI’s efforts to stop her from singing “Strange Fruit” turned the jazz singer into a leader in civil rights.