Amanpour: Linda Thomas-Greenfield, Finn Lau, Wu'er Kaixi and Ezekiel Emanuel

Linda Thomas-Greenfield, U.S. Ambassador to the U.N., discusses her efforts to bring the world's attention back to Syria. Finn Lau, an exiled Hong Kong pro-democracy activist, and Wu'er Kaixi, a Chinese dissident, talk about the Hong Kong police's attempt to block commemorative gatherings on the anniversary of the Tiananmen Square massacre. Hari Sreenivasan talks to Dr. Ezekiel Emanuel, a bioethicist and oncologist, about vaccine hesitancy and the uphill battle to get 70% of all American adults vaccinated with at least one dose by July 4th. To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices