South Korea’s rapprochement with Japan and North Korea’s embrace of Russia significantly shaped events on the Korean Peninsula in 2023. Both promise to have a...

Seoul confronts the emergence of a new, far riskier nuclear order, while doubts about the credibility of U.S. extended deterrence remain.

North Korea's support for Russia's war in Ukraine completed its turn away from efforts to normalize relations with the United States.

The Washington Declaration was designed to ease South Korean concerns about U.S. extended deterrence. Will it achieve its goal?

The history surrounding the U.S. commitment to South Korea, including the nuclear umbrella, is critical to understanding the alliance today.