The Islamic State still controls the western side of Mosul in Iraq. Now Iraqi forces backed by U.S. air power are preparing to retake that part of the city.
A collapsed peace effort gives way to an escalating cycle of U.S. and Iranian retaliation. The U.S. military has confirmed that three service members have been killed since Friday.
NPR's Leila Fadel speaks to former President Biden's national security adviser Jake Sullivan about escalating attacks between the U.S. and Iran and the deaths of U.S. service members.