By 2017, Jeffrey Epstein was a social pariah. Even his right-hand woman, Ghislaine Maxwell, attempted to reinvent herself as a charity boss and was careful to no longer be pictured with the convicted sex offender. But as an avalanche of reports uncovered more lurid details of Epstein’s world of questionable financial dealings and proclivities for sex with underage girls, he had one regular visitor at his huge townhouse at East 71st street — Steve Bannon. Conspiracy theorist and media provocateur Bannon felt he could help the disgraced money man improve his image, sources say, despite how laughable that may have...