Why did China tolerate North Korea’s nuclearization? How did the US stop South Korea from developing nuclear weapons—and could it do so again? Our book, Nuclear Alliance Restraint, examines why great powers succeed or fail in preventing their allies from going nuclear. tinyurl.com/mtv6yw2h

Nuclear Alliance Restraint: Success and Failure in Countering Allied Proliferators

This book examines why powerful states have varying success in restraining less-powerful allies from acquiring nuclear weapons, based on a broad range of historical case studies. The outcomes of nucle...

routledge.com

The collapse of the 1994 US–North Korea nuclear deal is often treated as an inevitable consequence of North Korean noncompliance. My new paper argues that domestic spoilers in Washington played a central role in bringing the agreement down. onlinelibrary.wiley.com/share/MHRUWC...

Will Russia provide sensitive nuclear assistance to North Korea? My new paper argues that it has become more likely because the strategic costs of helping Pyongyang have declined, while the benefits of strengthening a US adversary have increased. kjis.org/journal/view...

Strategic Costs and Russia’s Shifting Calculus on Nuclear Assistance to North Korea*

Iordanka ALEXANDROVA. The Korean Journal of International Studies 2026;24:1-35. https://doi.org/10.14731/kjis.2026.04.24.1.1

kjis.org