His aggressive stance toward China could force many in the region to pick a side.

U.S. aid is critical not just for Ukraine, but for U.S. credibility in Russia and beyond.

Diplomacy could well come to occupy center stage for a president who relishes summitry.

Donald J. Trump will assume the U.S. presidency at a time of flux in South Asia. Afghanistan appears at risk of greater instability, Pakistan continues to harbor terrorists that attack its neighbors,…