Commentary Here’s a question that I do not know the answer to: “Is the Left on the Cusp of Permanent Triumph, Or Is It Committing Suicide?” That’s the title of an essay by Francis Menton at his blog Manhattan Contrarian. Menton points out that the sudden acceleration of “cancel culture” and social media “de-platforming” are only two arrows in the Left’s quiver of intimidation. Another weapon—more bludgeon than arrow, perhaps—ratchets up the Left’s “coercive suppression of dissent” to new, Soviet or Chinese Communist levels of ferociousness. One main tactic is the universalization of diversity imperatives. The whole “diversity” gambit was always noxious because it never had anything to do with fostering genuine diversity—which requires a sedulous fostering of dissenting opinion and open debate about contentious issues. On the contrary, the diversity racket was always about enforcing conformity and ideological purity. The difference now is that what had been confined to a few …