The Islamic State has been nearly defeated and migrant crossings to Europe have declined, so why is Libya’s state failure so troubling?

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.

Military threats to deter chemical attacks have so far failed to restrain the Syrian regime, and they risk escalating the horrific conflict even further.

Saudi Arabia pressed Lebanese Prime Minister Saad Hariri to resign to try to weaken Iran-backed Hezbollah in Lebanon. The path to resolving the crisis could run through Yemen.