South Korea

NY Times: Inside Biden’s Renewed Promise to Protect South Korea From Nuclear Weapons - President Biden’s emphasis on America’s willingness to defend South Korea is a striking admission that North Korea’s arsenal is here to stay. By David E. Sanger and Choe Sang-Hun - David Sanger has covered the North Korean nuclear program since the late 1980s. Choe Sang-Hun covers South Korean politics and security.

...arms control experts call “extended deterrence,” renewing a vow that America’s nuclear arsenal will be used, if necessary, to dissuade or respond to a North Korean nuclear attack on the South.