Research confirms that the “acting white” charge is a real problem that intimidates some black students. Our job is to confront it. As kids go back to school this week, when it comes to black ones, it’s time to do some myth-busting. This week’s topic: black teens calling their nerdy black peers “white” for liking school. It’s a problem, because too often, black kids who want to fit in end up letting their grades slip. The social scientists John Ogbu and Signithia Fordham first called attention to this phenomenon in the 1980s. But over the past 10 years, a myth...