Political efforts to cripple Turkey’s main opposition and lock up its presidential candidate will never stifle the people’s frustration with the government and their growing demand for change, Istanbul’s jailed mayor has said in an interview. “An irreversible process for a change in power has begun in Turkey and it won’t stop until it is complete. I cannot stop it … nor can the ruling party nor the judiciary,” Ekrem Imamoglu said in a written response to Agence France-Presse questions conveyed...