 as top Democrats close ranks around him following Thursday's debate. And with former President Trump facing fitness questions of his own, NPR's Stephen Fowler reports on a group that could help determine the outcome in a close election this November. There's these people out there called double haters who don't like Trump or Biden, and they're deciding more if they vote at all in this rematch of 2020 because it's a rematch. So the undecided factor is not, oh, who's this Trump guy? Who's this Biden guy?