President Joe Biden's campaign has already suffered a major slowdown in donations and officials are bracing for a seismic fundraising hit, with the fallout from a debate nearly two weeks ago taking a sizable toll on operations, according to four sources close to the re-election effort. "It's already disastrous," one of the sources close to Biden's re-election said of fundraising. "The money has absolutely shut off," another source close to the re-election said.