(CNN)Turkish President Recep Tayyip Erdogan gave the United States "an ultimatum," demanding the extradition of the cleric he believes is behind the failed July 15 coup attempt. The state-run Anadolu news agency reported that Erdogan had said the US had to choose between its relationship with Turkey and Fethullah Gulen, a former Erdogan ally who has been in self-imposed exile in Pennsylvania for decades. Turkey has requested his extradition, while Gulen denied involvement in the coup. Breaking down Turkey's rapprochement with Russia Breaking down Turkey's rapprochement with Russia 08:12 While ties with Washington threaten to cool over the Gulen issue,...