The challenge of hosting the Olympic Games in Tokyo amid the coronavirus pandemic has confounded Japan’s government, but postponing the Olympics further does not seem to be an option.

A failure by the United States to continue military aid to Ukraine would spell disaster for Ukraine and its Western allies while emboldening Russia and other potential aggressors.

President Vladimir Putin appears to be in firm control of Russia today, but in order to maintain it in the years ahead, he will have to manage at least three primary challenges.

If Western allies fail to send Ukraine the weapons it needs, the odds increase of the war dragging on indefinitely, at a terrible cost to both Ukraine and Russia and a growing risk to the wider world…

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.

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 …