AdvertisementJoe Biden: For The Next 3 Months, All Americans Should Wear A Mask When OutsideAugust 13, 2020Asma KhalidfacebookEmailPresumptive Democratic presidential nominee Joe Biden speaks Thursday after a coronavirus briefing with health experts and his newly named running mate, Sen. Kamala Harris, at the Hotel DuPont in Wilmington, Del. Biden took off his mask to speak. (Getty Images)