Hal Brands is the Henry A. Kissinger Distinguished Professor of Global Affairs at the Johns Hopkins School of Advanced International Studies (SAIS). He is also a columnist for Bloomberg Opinion. He is the author of several books, including, most recently: The Twilight Struggle: What the Cold War Teaches Us about Great-Power Rivalry Today (2022), The Lessons of Tragedy: Statecraft and World Order (2019) co-authored with Charles Edel, and American Grand Strategy in the Age of Trump (2018). Professor Brands served as Special Assistant to the Secretary of Defense for Strategic Planning from 2015 to 2016. He has also served as lead writer for the Commission on the National Defense Strategy for the United States, and consulted with government offices and agencies in the intelligence and national security communities.