A regional leader of the far-right Alternative for Germany (AfD) party is being tried in court over allegations he knowingly used a Nazi slogan at the end of a speech. Former history teacher Bjorn Hocke, 52, is the leader of the AfD in the eastern state of Thuringia, and a powerful figure on the party's hard right. At the trial at the state court in Halle, Hocke is charged with using symbols of unconstitutional organisations. Hocke, whose branch is one of three that the domestic intelligence agency has under official surveillance as a "proven right-wing extremist" group, is accused of...