John Kampfner says he had become a “professional pessimist”. He had predicted Brexit, the election of Trump and even when he was out with a call – as when he believed Marine Le Pen would win in France – he understood which way the world was turning. Kampfner has had a long and extraordinary career in journalism. He was a correspondent in Berlin for The Daily Telegraph, reporting on the fall of the Berlin Wall and the reunification of Germany. He went on to cover the break-up of the Soviet Union, before becoming editor of the New Statesman.  His books,…