In this moment of historical reckoning, many Americans are being introduced to concepts like intersectionality, white fragility, and anti-racism. But Isabel Wilkerson would like to incorporate a little-discussed concept into our national conversation: caste. Wilkerson is a writer and historian who spent the past decade working on a book that examines the history of race in this county. During the Jim Crow era, “every aspect of life was so tightly controlled and scripted and restricted,” she told David Remnick. “I realized that race was an insufficient term.” Plus, we’ll meet some of the volunteers and the former inmates who make up the Rikers Debate Project.