Donors just didn’t want to back a loser — and that’s just what Mr. Trump is now — a loser. “Hedge fund manager Ken Griffin, the second-most prolific GOP donor of the midterms, said Tuesday that he would support [Florida Gov. Ron] DeSantis over Trump, pointing to the Florida governor’s dominant reelection victory in a state that was considered competitive until recently,” The Hill reported this week. “I’d like to think that the Republican Party is ready to move on from somebody who has been for this party a three-time loser,” said Mr. Griffin, who funded a pro-Trump super political...