The leader of the militant group Hezbollah, Hassan Nasrallah, was killed by an Israeli airstrike in Lebanon on Friday. Neil MacFarquhar, a reporter for The New York Times who met and interviewed Nasrallah in 2002, explains who he was and the significance of his death. Video by Neil MacFarquhar, Alexandra Ostasiewicz, Claire Hogan and Gabriel Blanco/The New York Times. #Hezbollah #Lebanon #HassanNasrallah