An interview with Wilkerson will air this fall on Apple TV Plus. Winfrey said many details in “Caste” were revelatory for her, such as the Nazis’ admiration for the Jim Crow system.

The full interview with Ava DuVernay is available on our podcast, Q with Tom Power. Listen and subscribe wherever you get your podcasts. Interview with Ava DuVernay produced by Lise Hosein.

Isabel Wilkerson won a Pulitzer Prize for feature writing as the Chicago bureau chief of The Times. She is the author of “The Warmth of Other Suns” and “Caste: The Origins of Our Discontents.” ...

More than 150 years later, President Biden made Juneteenth a federal holiday. To talk about the history and significance of this day, we've called Isabel Wilkerson.

This interview has been edited for length and clarity. Interview Highlights Michel Martin: So I'm going to read from an essay you wrote that was published Monday in The New York Times.

Morning Edition 's Michel Martin spoke with Wilkerson, author of Caste and The Warmth of Other Suns, about the history and significance of Juneteenth — particularly this year.