A Biden presidency could have a 'remarkable' impact on science policy—but also face hurdles | Science. Biden talks up benefits of vaccines after new mask guidance. Will Biden's proposed mask mandate legally force people to wear facial coverings? - News @ Northeastern. Biden Will Ask Americans to Wear Masks for 100 Days. COVID vaccinated rules: Biden may change outdoor face masks guidelines - Deseret News. Joe Biden calls for a nationwide mask mandate to combat coronavirus. Joe Biden, Wearing Mask, Appears in Public at a Veterans Memorial - The New York Times. Trump calls mask wearing 'politically correct,' Biden calls him a 'fool' - The Washington Post. Biden: Trump 'Wasted Four Months' as President Publicly Wears Face Mask. Trump retweets criticism of Joe Biden for wearing mask - CNN Video.