In Turkey, Middle Powers Ponder Diplomacy With a Rogue U.S.

The U.S. remains an essential player. The problem, one analyst said, is how to deal effectively with a power that is “indispensable, coercive and unpredictable at the same time.”President Recep Tayyip Erdogan of Turkey in Antalya on Friday, where he said the global system was in “a moral and existential crisis.”