Terence Roehrig is a Professor in National Security Affairs and the Director of the Asia-Pacific Studies Group at the US Naval War College in Newport, Rhode Island. He is also a Research Fellow at the Kennedy School at Harvard University in the International Security Program and the Project on Managing the Atom. He is the author of the forthcoming book Japan, South Korea, and the US Nuclear Umbrella: Extended Deterrence and Nuclear Weapons in the Post-Cold War World. In addition, he is a co-author of South Korea since 1980 (Cambridge, 2010, with Uk Heo) and the author of From Deterrence to Eng...