All 5,300 plus Walmarts and Sam’s Clubs nationwide will begin requiring shoppers to wear masks next week. On the state level, half of the governors in the US have now instituted at least some kind of mask requirement in public settings. 

New safety recommendations from the National Academies of Science, Engineering,and Medicine say schools should prioritize younger children and children with special needs where it is safe and possible. But the committee offered no guidance on what level of infection makes in-person learning unsafe. 

And in headlines: verified Tweeters get hacked, RBG out of the hospital, and an update on Goya’s Beangate.