ISTANBUL The Kremlin on Monday described recent talks between Russian President Vladimir Putin and the US president’s special envoy Steve Witkoff as “extremely useful.” Last Friday, Putin and Witkoff met in the Russian city of St. Petersburg, as the US and Russia increased contacts since February this year to revive bilateral ties, as well as to find a settlement for the Ukraine war. “Such contacts are extremely useful and very effective,” Kremlin spokesperson Dmitry Peskov told journalists in