DOHA - US President Donald Trump told his Turkish counterpart Tayyip Erdogan that Washington was working on extraditing a US-based Muslim cleric accused of orchestrating a failed Turkish coup in 2016, Turkish Foreign Minister Mevlut Cavusoglu said on Sunday."In Argentina, Trump told Erdogan they were working on extraditing Gulen and other people," Cavusoglu said at conference in Doha, referring to the G20 summit in Argentina from Nov. 30 to Dec. 1.