The world according to Europe’s insurgent parties

The British vote on EU membership could be an early sign of a European political tsunami, as insurgent political parties across the continent use referendums as their weapon of choice to challenge the traditional political elites. From the Brexit vote to Hungary’s upcoming referendum on the EU’s migrant resettlement plans, how is Europe’s foreign policy being affected? Douglas Carswell, UKIP MP for Clacton, gives his opinion.