Laura Zornosa writes: “Oprah Winfrey has taken her popular book club virtual: The talk show host is bringing Caste: The Origins of Our Discontents by Isabel Wilkerson to Apple Books as an ebook and audiobook—and to Apple Podcasts, discussing with Wilkerson ‘how society needs a new way to talk about racism.’ The new podcast spans eight parts, one for each ‘pillar of caste.’ Tuesday’s premiere episode delves into the background behind the book, and upcoming episodes will be released for free on Apple Podcasts on Tuesdays and Thursdays.”