“Hundreds of police officers are in front of our doors,” Ekrem Imamoglu said in a video message to his supporters on March 19th, speaking into his smartphone. “We are up against tyranny, but I will not be discouraged.” The mayor of Istanbul, and the Turkish opposition’s expected candidate in the next presidential elections, was about to leave his apartment. Moments later he was arrested. His party is calling it an attempted putsch by Turkey’s president, Recep Tayyip Erdogan.