Russian President Vladimir Putin on Saturday said the war in Ukraine was winding down, slamming Western support for Kyiv, as the first day of a U.S.-brokered ceasefire was marked by mutual accusations of violations. Putin spoke after telling soldiers at the scaled-down parade in Moscow that they were fighting an "aggressive force" in Ukraine, backed by all of NATO and describing his war goals as "just". The Russian leader has made the memory of the Soviet victory over Nazi Germany in World War II a central narrative of his 25-year rule and repeatedly invoked it to justify his Ukraine offensive….