Across the West, something called multiculturalism is in crisis. Regarded as the failed experiment of liberal elites, commentators and politicians compete to denounce its corrosive legacies; parallel communities threatening social cohesion, enemies within cultivated by irresponsible cultural relativism, mediaeval practices subverting national "ways of life" and universal values. This important new book challenges this familiar narrative of the rise and fall of multiculturalism by challenging the existence of a coherent era of "multiculturalism" in the first place. The authors argue that what...