On this episode of the Defense & Aerospace Report Strategy Series, sponsored by General Atomics Aeronautical Systems, Dr. Thomas Barnett, the author of “America’s New Map,” discusses the challenges the United States faces over the coming decades — including from climate, economic, and demographic change — and how taking cues from history can help shape a more secure future, why America needs to form a union that brings together the north and south of the continent, how Washington should counter the narratives spun by authoritarian powers like China, and more with Defense & Aerospace Report Editor Vago Muradian.