Embattled Biden sidelined with COVID as Trump returns to center stage after shooting

President Biden walks down the steps of Air Force One at Dover Air Force Base in Delaware on Wednesday. He returned to his home in Rehoboth Beach to isolate after testing positive for COVID-19. An embattled President Biden was resting at his Delaware beach home Thursday, fighting COVID-19 and a rising tide of dissent from within his own party over his ability to carry on in the presidential race. Former President Trump, meanwhile, was preparing for a triumphant return to center stage on the final night of the Republican National...