Mr. Bolton, who has long had a contentious relationship with Mr. Trump since leaving his position, said too many people have turned the former president “off in their brain.”“Even if they loved his style, loved his approach, loved his policies, loved everything about him, they don’t want to lose and the fear is, given the results on [Nov. 8], that if he got the nomination, not only would he lose the general election, but he would take an awful lot of Republican candidates down with him,” Mr. Bolton told The Guardian.Mr. Bolton has his own PAC and super PAC where...