Several U.S. airlines announce masks are optional after court ruling. Delta Air Lines says it is making masks optional, and warned travelers they "may experience inconsistent enforcement during the next 24 hours as this news is more broadly communicated." Dr. Leana Wen talks about what this means. Also, a restaurant partnered with celebrity chef and global humanitarian José Andrés organization, World Central Kitchen, was hit by a missile strike in Kharkiv, Ukraine, leaving four staffers wounded, WCK CEO Nate Mook said Saturday, describing the scene as “horrific brutality.” Chef José Andrés talks about what is going on in Ukraine. Guests: José Andrés & Dr. Leana Wen. Airdate: April 18, 2022 To learn more about how CNN protects listener privacy, visit cnn.com/privacy