Something is going badly wrong across Western societies, and the sense of political dislocation is no longer a fringe concern. Trust in institutions has fallen, established political parties are losing support and arguments over immigration and national identity have become sharp dividing lines.

In Germany, the President now warns openly of a return to the political divisions of the Weimar era. In France, a protest movement that began in schools has spread across the country, bringing arson, mass arrests and violent clashes with riot police to cities from Strasbourg to Marseille. Across Europe, insurgent parties of Left and Right prosper on dissatisfaction with political systems that seem increasingly unable to correct themselves. Britain exhibits the same symptoms. The question is why governments confronted by such conditions so often appear to aggravate the problems rather than address their causes.

Read more: Britain is Accelerating Towards Crisis