Around 50,000 supporters of Turkey’s Islamist president Recep Tayyip Erdoğan have rallied in Cologne, Germany to demand his authoritarian reign continues. The Islamist crowd chanted “Allah hu Akbar!” and held signs reading, “Erdoğan is a human rights activist”, whilst opponents waved banners insisting “Stop the Erdomania!” Members of the Turkish-nationalist, fascist-leaning “Grey Wolves” group were among the crowd that gathered on banks of the Rhine River with the city’s huge gothic cathedral in the background. The German Federal Constitutional Court banned the live broadcasting of Mr. Erdogan’s speech at the rally, Deutsche Welle reports. Some Germans reacted furiously to the...