U.S. president struggling to squeeze tough deal out of Japan.

The Democratic and Republican presidential contenders have begun defining their approach to major foreign policy issues as they jockey for position in their parties’ primaries.

The U.S. abdications of the Covenant of the League of Nations and the Paris climate accords may be remembered as bookends to the American century.

The assassination of Qassem Suleimani may have been legally justifiable but was not strategically prudent.

The U.S. secretary of state appears to have one foot out the door—and that’s exactly what U.S. diplomats have been waiting for.