President Trump’s threats to democracy have prompted a number of experts to warn that the United States is in the midst of a constitutional crisis. As the country grapples with how to move forward, David Leonhardt looks back to America’s founding, with the filmmaker Ken Burns. Burns’s upcoming documentary focuses on the Revolutionary War, and in this conversation he discusses the ideals of the country’s flawed founders, how he thinks about patriotism and what he says is the “greatest existential threat to the existence of the United States right now.”Thoughts? Email us at [email protected] episode of “The Opinions” was produced by Jillian Weinberger. It was edited by Alison Bruzek and Kaari Pitkin. The rest of the show's production team includes Derek Arthur and Vishakha Darbha. Mixing and original music by Carole Sabouraud. Fact-checking by Mary Marge Locker. Audience strategy by Shannon Busta and Kristina Samulewski. The director of Opinion Audio is Annie-Rose Strasser.

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“What did the council decide on item 42?” — answered with the speaker and the moment.