The Gulf nation’s ground troops have cultivated alliances in Yemen with local armed groups, but its ability to shape the civil war’s outcome is limited.

The opening of a new U.S. diplomatic compound in Taipei doesn’t mark a major change in ties, but the Trump administration has taken new approaches to dealing with China over Taiwan.

Successful denuclearization will hinge on rigorous on-the-ground inspections and closing the gap between North Korea and the United States on what areas any agreement should cover.