Bill Ackman, a wealthy hedge fund manager turned Trump supporter began posting uncontrollably about a right-wing theory that there is (or was) a whistleblower at ABC News, who claims the network gave its questions to Harris in advance of the presidential debate, and then perished in a car crash.

North Carolina's Republican candidate for governor promised to stay in the race on Thursday after CNN reported that he once called himself a "black NAZI!" and proposed bringing back slavery in comments posted on a pornography website.

North Carolina Lt. Gov. Mark Robinson, the state’s Republican candidate for governor, said he would stay in the race and denied new accusations that he posted racist, antigay and inflammatory comments on a pornography-website message board more than a decade ago.