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,…

Cuba has long been a major foreign policy challenge for the United States. President Biden is the latest U.S. leader to grapple with how to balance democracy promotion with the desire for a better bi…