The essay that follows is adapted from Irshad Manji’s newly published book, “Don’t Label Me: An Incredible Conversation for Divided Times.“ Liberals, among whom I count myself, are sometimes wise. So wise that we should take much of our own advice to others. In the wake of 9/11, for example, many of my fellow liberals said that Americans must strive to understand why some Muslims gravitate to jihadism. Only by understanding, they stressed, can effective solutions be found. Bull, I remember thinking—or, rather, emoting. At the time, my emotions equated understanding with excusing. I was wrong. As a reformer within my faith of Islam, I’ve spoken with plenty of ex-jihadists. While I can’t claim this for every crusader on a homicide mission, the guys I met abandoned militant extremism only after they felt heard. Not coddled. Not swaddled. Just listened to by folks who excoriated their ideology yet accepted them as individuals with backstories. What if we applied this insight to white supremacists and those who support them? Let’s conduct a thought experiment. Richard Spencer, …