Philippe Legrain is a senior visiting fellow at the London School of Economics’ European Institute and the founder of OPEN, an international think-tank that seeks to defend and advance open societies. From 2011 to 2014 he was independent economic adviser and head of the team providing strategic policy advice to European Commission President José Manuel Barroso. His latest book, European Spring: Why Our Economies and Politics are in a Mess – and How to Put them Right, was among the Financial Times’ Best Books of 2014.