Articles

Stephen Walt argues for a return to a realism-based U.S. grand strategy.

All the world's nuclear-armed states (except for North Korea) have begun modernizing and upgrading their arsenals, leading many observers to predict that the world is entering a new nuclear arms race. While that outcome is not yet inevitable, it is likely, and if it happens, the new nuclear arms race will be different and more dangerous than the one we remember. More nuclear-armed countries in total, and three competing great powers rather than two, will make the competition more complex. Meanwhile, new non-nuclear weapon technologies — such as ballistic missile defense, anti-satellite weapons, and precision-strike missile technology — will make nuclear deterrence relationships that were once somewhat stable less so.

The 2016 nuclear security summit was a pivotal moment for the decades-long effort to secure nuclear material around the globe. More than 50 national leaders gathered in Washington for the last of four biennial meetings that have led to significant progress in strengthening measures to reduce the risk of nuclear theft.

Christopher Clary and Gaurav Kampani respond to Jaganath Sankaran's winter 2015/16 article, "Pakistan's Battlefield Nuclear Policy: A Risky Solution to an Exaggerated Threat."

During the 1990 German reunification negotiations, did the United States promise the Soviet Union that it would not expand NATO into Eastern Europe? Although no written agreement exists, archival materials reveal that U.S. officials did indeed offer the Soviets informal non-expansion assurances, while keeping open the possibility of expansion and seeking to maximize U.S. power in post–Cold War Europe.

"In Bargaining on Nuclear Tests the historian Or Rabinowitz demonstrates the rare ability to engage with contemporary policy debates on nuclear proliferation and U.S. nonproliferation strategies on the one hand, and successfully utilize qualitative analytical frameworks in social science like prospect theory (19) on the other."