William Burns joins Cameron Munter to discuss the art of diplomacy and his latest book, The Back Channel: A Memoir of American Diplomacy and the Case for Its Renewal.

Burns ranks among the most recognized American diplomats of his generation, serving five presidents and ten secretaries of state over a thirty-three-year career in the U.S. Foreign Service. He is president of the Carnegie Endowment for International Peace, the oldest international affairs think tank in the United States.