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.

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.

In striking Syria without an international law justification, the United States leaves itself open to criticism and may invite similar behavior by other countries.

The past year saw the ongoing historic displacement of millions from conflict and persecution, and a weak response from the world’s richest nations to address the problems.

Protests over the removal of Confederate monuments show that the U.S. Civil War’s emancipatory purpose remains contested a century and a half later.