Russian President Vladimir Putin “expressed his gratitude” to his Turkish counterpart Recep Tayyip Erdogan for assistance with a prisoner exchange with the United States, the Kremlin said on Thursday. Erdogan helped ensure that the Russian Konstantin Yaroshenko could be exchanged for US citizen Trevor Reed at the airport in the Turkish capital Ankara, according to the Kremlin. Moscow and Washington made a surprise announcement on Wednesday about the long-discussed swap. The common ground found by the two sides comes amid bitter confrontations over Russia’s war in Ukraine. Putin and US Presiden…