Biden’s ability to win back skeptical Democrats is tested at a perilous moment for his campaign  The Associated PressTrump is gaining momentum exactly as Biden is losing his. Democrats have to rally. Soon.  USA TODAYJuly 19, 2024, presidential campaign news  CNNRepublicans Are Waiting for Kamala Harris and Fearing Michelle Obama  New York MagazineBrooks and Capehart on Trump’s familiar message and the pressure on Biden to end his bid  PBS NewsHour