Now that a federal judge has tossed out the mask requirement on airplanes and public transit, Bay Area transit agencies are scrambling to figure out their mask requirements, creating a patchwork of conflicting policies for travelers. UCSF's Dr. Bob Wachter joins host Cecilia Lei to share his thoughts on the latest federal mask update and why he still recommends keeping masks on in certain public settings. | Unlimited Chronicle access: sfchronicle.com/pod

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