ISTANBUL -- Turkish President Recep Tayyip Erdogan is taking advantage of the refugee crisis in Europe to obtain the European Union's support for his own authoritarian regime. The 2.5 million refugees in Turkey are the ultimate trump card for Erdogan. He's the one calling the shots. A meeting in October between Erdogan and the presidents of the European Council and the European Commission resulted in a shady deal by which the release of an EU progress report for Turkey -- which contained serious criticisms of Erdogan's party -- would be delayed for Erdogan's sake. The European Commission president, Jean-Claude Juncker, even seemed willing to overlook Turkey's diminishing freedom of the press...