Charles A. Kupchan
Charles A. Kupchan is professor of international affairs in the School of Foreign Service and Government Department at Georgetown University, and senior fellow at the Council on Foreign Relations. From 2014 to 2017, Kupchan served in the Obama administration as special assistant to the president on the National Security Council. He also served on the National Security Council during the Clinton administration. He is the author of The End of the American Era, How Enemies Become Friends, and No One's World.
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