In this episode of Talk Nerdy, Cara is joined by Reuters senior reporter David K. Randall to discuss his newest book, "Black Death at the Golden Gate: The Race to Save America from the Bubonic Plague." In telling of the similarities between the 1900 plague and today's coronavirus pandemic, he shares stories about racism, science, and the individual personalities who shaped public policy for better or worse. Follow David: @DKRandall.