President Trump disappointed the liberal press on Friday by nominating Kevin Warsh as the next Federal Reserve chairman. Even reporters at the New York Times couldn’t pigeonhole him as a Trump toady and acknowledged through gritted teeth that he is well-respected in financial markets. Alas, the good news of Mr. Warsh’s nomination was quickly eclipsed by the Justice Department’s release of millions of documents from the Jeffrey Epstein files. The documents include embarrassing details about the dead sex offender’s liaisons with the rich and powerful. Yet why has Epstein become such a political preoccupation? Perhaps because the multitudes derive pleasure…