Shifting balances in Turkey

Things are happening in Turkey that are not entirely apparent to the rest of the world. The results of recent local elections which saw President Recep Tayyip Erdogan's Justice and Development Party (AKP) lose control of Istanbul showed that the Turkish strongman's star is losing its luster. Meanwhile, there have been some as-yet tentative moves inside the party challenging his authority. All this suggests that Turkey's domestic policy in the coming years may not be dictated exclusively by Erdogan. It is, of course, too early to talk about Erdogan's succession, however it is clear that his status as Turkey's undisputed hegemon is under threat.
This threat is not only a consequence of his foreign policy. This, at least, appears to enjoy broader consensus, as demonstrated by the support of the opposition Republican People's Party (CHP) on the acquisition of the Russian S-400...