Nicholas Kristof is a two-time Pulitzer Prize winner whose op-ed columns appear twice a week in The New York Times. He is co-author, with his wife, Sheryl WuDunn, of five best-selling books, including the No. 1 bestseller Half the Sky.” His latest book, a memoir, is “Chasing Hope.” He won his first Pulitzer as a foreign correspondent based in China, and his second for columns on genocide in Darfur; he also won an Emmy for coverage of Covid-19. He also has been editor of Sunday editions of the Times and has almost 3 million followers on social media. He has lived on four continents, traveled to 160 countries, and survived unpleasant encounters with mobs, malaria and an African airplane crash.