A leading issue which continues to be of great interest to journalists, and voters, is immigration. It's a top non-economic concern in the UK, the US and Europe, where the far-right is making serious electoral gains, most notably in Germany. To discuss this very topic I spoke to Hein de Haas, a Professor of Sociology at the University of Amsterdam. Hein also previously worked at the International Migration Institute at the University of Oxford. He is the author of How Migration Really Wo...