Hamid Baeidinejad, Iranian Ambassador to the U.K., joins Christiane Amanpour for an exclusive interview after President Trump accuses Iran of attacking ships in the Gulf. Bill Burns, former U.S. Deputy Secretary of State, gives his take on the escalating tensions between the U.S. and Iran. Nathan Law, former Legislative Councillor and founding chair of Demosisto, talks about why protesters in Hong Kong are refusing to back down until Chief Executive of Hong Kong Carrie Lam resigns. Our Walter Isaacson sits down with Tracy K. Smith, the 22nd Poet Laureate of the United States, to discuss America's troubled racial history, as well as her own family history.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices