MOSCOW, May 9 (Xinhua) — Russia held a grand military parade on the Red Square in central Moscow on Monday to mark the 77th anniversary of the Soviet Union’s victory in the Great Patriotic War. In a speech to troops and guests ahead of the annual event, Russian President Vladimir Putin said: “It is our duty to uphold the memory of those who crushed Nazism and bequeathed control to us, and to do everything to make the horror of a war world will not happen again. Russia has always advocated the creation of an equitable and indivisible security system, a...