A federal judge in Florida on Monday struck down a COVID mask mandate for planes, buses and trains, and imposed a nationwide injunction. The judge ruled that the mandate exceeds the authority of the Centers for Disease Control and Prevention. William Brangham talks to Lawrence Gostin of Georgetown University about what this means for passengers, public health and the CDC’s ability to act. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe