President Joe Biden is facing an uprising from some his own party’s wealthy donors, including an heiress to the Disney family fortune, who say they will no longer fund the Democratic Party until Biden drops out of the presidential race following his disastrous debate performance. Abigail Disney, the granddaughter to Roy O. Disney, who cofounded The Walt Disney Company, said Thursday that she plans to withhold donations to the party she has funded for years until Biden drops out. Disney pointed to Vice President Kamala Harris as a solid alternative to Biden, arguing she’d be able to defeat Trump. “We...