CIA drone strike kills al-Qaida leader in Kabul

A U.S. drone strike killed al-Qaida leader Ayman al-Zawahri on Sunday in a CIA operation carried out in Kabul, Afghanistan. He played key roles in the 9/11 attacks and bombings of U.S. embassies, and became leader of the terrorist group after Osama bin Laden was killed in 2011. Nick Schifrin, who was the first correspondent at bin Laden's compound after his death, joins Judy Woodruff to discuss.