Tamara Keith and Amy Walter on polls showing Biden trailing Trump in key states PBS NewsHourTrump Leads in 5 Key States, as Young and Nonwhite Voters Express Discontent With Biden The New York TimesNew swing state poll ‘an absolute disaster’ for Biden: CNN data reporter Fox NewsBattleground Polling Shows Ticket-Splitting Pattern Yahoo! VoicesKey points for Biden from the New York Times swing-state poll The Washington Post