Oleg Postnikov said that it is russian contribution to stabilizing the situation between the nuclear powers MOSCOW, October 11. /TASS/. Russia is keeping the window of opportunity open for extending the New Strategic Arms Reduction Treaty (New START), which is Moscow's contribution to stabilizing relations with Washington, Russian Foreign Ministry’s Department for Non-Proliferation and Arms Control Director Oleg Postnikov said. "We strive to keep the ‘window of opportunity’ open for political