Raising his voice above the pounding drums and honking tractors, Lutz Jankus, a city councillor from the far-right Alternative for Germany (AfD), distanced himself from the furious protest unfurling before him. “They’re rightwing extremists,” he said about Free Saxony, a loose political movement that includes neo-Nazis and skinheads, as his colleagues began to pack up their tent on the side of the square in the centre of Görlitz. “We don’t want anything to do with them, but we’re here because there’s also a lot of people who vote AfD.” In Saxony, an eastern German state whose intelligence agency has declared...