Cuba’s authoritarian regime has failed to avert an economic crisis, repair decaying state institutions, and prevent the country’s largest outflow of migrants since the 1960s.

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. …

The main battle tanks that the United States and Germany have agreed to provide Ukraine will help its forces punch through Russian fortifications and retake lost territory.

El Salvador and the Central African Republic have made Bitcoin legal tender, but market volatility has undermined the experiment.