On Monday, President Biden announced that the United States had killed Ayman al-Zawahri in a drone strike in Afghanistan. Al-Zawahri was the leader of Al Qaeda. A long time number two to Osama bin Laden and the intellectual spine of the terrorist group, he assumed power after bin Laden was killed by U.S. in 2011. Who was al-Zawahri, and what does his death mean for Afghanistan’s relationship with the United States and for the threat of global terrorism? Guest: Eric Schmitt, a senior correspondent covering national security for The New York Times.