A U.S. military operation that eliminated Islamic State leader Abu Bakr al-Baghdadi is welcome but fails to allay worries about the security vacuum caused by the removal of U.S. troops from northern …

Iran’s move to suspend cooperation with the 2015 nuclear deal threatens to further escalate already high tensions between Washington and Tehran.

President Trump’s announcement to halt peace talks in Afghanistan gives U.S. negotiators a chance to correct three critical mistakes.

The deal signed by U.S. and Taliban officials is dangerously short on levers to prevent a Taliban takeover, but there are still ways Washington can sustain the government in Kabul.

Ebrahim Raisi, a staunch regime loyalist, can be expected to follow through on talks to revive the nuclear deal but rebuff attempts to further limit Iran’s weapons programs and regional behavior.