text:  The former president is campaigning in Grand Rapids, Michigan, a crucial swing state that he won in 2016, but lost in 2020. NPR's White House correspondent Franco Ordonez is there. We'll talk to him in a bit. But first, I want to check in with NPR political reporter Elena Moore. She's in Rehoboth Beach, Delaware, where President Biden is recovering from COVID. Hi, Elena. Hey there. All right. So the president has been isolating in Rehoboth Beach. How's he doing?