The United States and South Korea are marking their seventy-year alliance with a state visit amid tighter defense collaboration. But the alliance “forged in blood” should now evolve to be powered by chips, batteries, and clean technology.

The United States and South Korea should pursue an expanded nuclear agreement that supports the production of civilian nuclear power and enhances extended deterrence against the North Korean threat. …

Despite limits to their political and social power, Iranian women are leading protests that could jeopardize the regime.

North Korea seeks to exploit major-power rivalries and weaken U.S.-South Korea ties with its ramped-up missile testing. Already, it has ratcheted up nuclear tensions on the Korean Peninsula to their …

Presidents Biden and Yoon pledged to deepen and broaden the scope of the U.S.-South Korea alliance, but their success could depend on how China, Japan, and North Korea respond.