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. …

President Martin Vizcarra’s ouster has caused turmoil and a leadership vacuum, amid economic turbulence and severe pandemic strains. Why has Peru endured so much political upheaval?

El Salvador’s homicide rate plummeted in recent years, but a spate of killings has drawn attention to President Nayib Bukele’s controversial approach to tackling gang violence.

The two leading candidates to emerge from a large field reflect voters’ concerns about economic malaise and corruption, but there’s little sign of the upheaval seen in other regional elections.

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 …