The EU's current problems are largely of its own making

European integration used to be a jewel in the liberal crown. Integration was not only seen as a quintessential liberal project, but also as a tool for spreading liberal values in Europe and beyond. How can we explain the dramatic decline in support for the Union? In an extract from his new book, Counter-Revolution, Jan Zielonka (University of Oxford) explores some of the reasons why disillusionment set in