Why on God’s Green Earth Would Biden Tweet This Now? SlateBiden’s health and age under even further scrutiny amid questions over his political future CNNJimmy Fallon Finds Bright Side of Biden Testing Positive for Covid The New York TimesPresident Joe Biden to isolate with COVID in his Rehoboth Beach home The News Journal‘I’m Sick’: Biden Uses Positive COVID Test to Take Dig at Musk and Trump TIME