Representatives of Eurosceptic and far-right groups from Italy to Bulgaria gathered at the National Front party conference in Lyon at the weekend to warn France and Europe of a “neo-Ottoman” onslaught of Islam-preaching, benefit-stealing migrants. Digging through the history books, Heinz-Christian Strache, the head of Austria’s far-right Freedom Party (FPÖ), warned that “Arab armies plundered Lyon in 725 and are now busy doing the same in Iraq and Syria”. Strache went on to blast Europe’s mainstream parties for, among other things, stoking “mass immigration, ideological terror, gay marriage and gender theory”. The Austrian far-right leader was one of seven foreign...