Anti-immigrant riots in the United Kingdom. Election hysteria in the United States. Both are symptoms of a crisis of Anglo-Celtic identity, bound up with the upsurge of populism that is manifest on a global scale. How, exactly, should we interpret this crisis?

The French Catholic philosopher Rémi Brague has described "the Roman way" of Western Europe as a cultural path of "eccentricity", whereby Rome and its heirs are the transmitters of cultural currents lying further East: of the traditions of Greece and Israel and their still more Oriental forebears.