November 2, 2022

Simon Stiell is the United Nations’ climate chief and speaks to Christiane prior to the COP27 summit. In two-time Oscar winner Geena Davis' new memoir, "Dying of Politeness," she describes a New England upbringing of crippling good manners. Joan Donovan and Emily Dreyfuss investigate the power of memes in their new book "Meme Wars."

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