One issue more than any other that is polarising European politics and dividing the European Union is migration. In Germany, it threatens Angela Merkel’s grip on power, whilst from Italy to Austria and Hungary and Poland, it is driving policies which threaten to smash any continental consensus. Stephen Sackur speaks to Karin Kneissl - the foreign minister in Austria's right wing, nationalist coalition government. Are Europeans finding their authentic voice or is a dangerous brand of populism poisoning politics?(Photo: Austria's Foreign Minister Karin Kneissl arrives for a cabinet meeting in Vienna, Austria, 2018. Credit: Heinz-Peter Bader/Reuters)