Nancy SoderbergNANCY SODERBERG has served as a high-ranking White House National Security Adviser and as a U.S. Ambassador to the United Nations. She is the author of The Superpower Myth, and her commentary has appeared in publications including the <>Los Angeles Times, the New York Times, and the American Prospect. She has appeared on The Newshour with Jim Lehrer, The Daily Show, Crossfire, and many other programs. Read More Read Less