Starting with Bad Behavior in the 1980s, Mary Gaitskill has been writing about gender relations with searing, even prophetic honesty. In This Is Pleasure, she considers our present moment through the lens of a particular #MeToo incident. The effervescent, well-dressed Quin, a successful book editor and fixture on the New York arts scene, has been accused of repeated unforgivable transgressions toward women in his orbit. But are...