Democracy and extremism are usually considered as opposites. We assume that our system (in the UK, the USA, the Netherlands etc.) is democratic, and extremists try to destroy our system and introduce some kind of dictatorship, if not chaos and anarchy. Yet in many cases, the extremists seem sincere in their attempt to construct a more democratic polity. Hence, they can be called democrats and yet also extremists, in so far as they strive for a...