The mass casualty theater attack in Moscow was a reminder that affiliates of the Islamic State have reorganized and infiltrated even powerful states.

A year after the U.S. withdrawal, half of Afghanistan’s population faces a food emergency, and the Taliban regime acts with cruelty and indifference.

A complete U.S. military withdrawal by September 11, 2021, could allow the Taliban to take over much of Afghanistan.

U.S. troops are supposed to leave by May 1, according to a U.S.-Taliban agreement. But a complete withdrawal could be disastrous.

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.