The U.S. ambassador to Moscow says next week's NATO summit in Warsaw will bolster the Western alliance's defensive response to counter Russia's aggression in Ukraine.
Radio Free Europe/Radio Liberty: US Ambassador says NATO still ‘most effective defensive alliance’ ever (VIDEO)
NATO Secretary-General Jens Stoltenberg speaks during a press confenrence following a meeting of NATO defence ministers with their Ukrainian counterpart at the NATO headquarters in Brussels on June 15, 2016.
