The large-scale prisoner exchange between Russia and several Western countries has no influence on a potential diplomatic effort to end the conflict in Ukraine, US National Security Advisor Jake Sullivan said. Sullivan said he sees no connection between the negotiations between Russia, Belarus and several Western countries to exchange detainees and the war between Russia and neighbouring Ukraine. “We do not see a link between … the detained persons negotiations and any potential diplomacy over the war in Ukraine,” Sullivan said in Washington when asked by a journalist whether the successful …