It’s widely recognised that Jeremy Corbyn’s success, along with that of Bernie Sanders in the US and Pablo Iglesias and Ada Colau in Spain, is a product of a deep and widespread disaffection – to the point of anger and contempt – with the political class, and politicians themselves. ‘They are all the same’ is the response that party canvassers hear from every other house they visit. Corbyn, Sanders, Iglesias and Colau are popular precisely because they are different. They do not behave like normal politicians. They are clearly not conventional politicians.

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