MOSCOW (Reuters) – The Kremlin on Thursday rejected what it called “unfounded accusations” by the United States and NATO that it was not withdrawing its forces from near Russia’s border with Ukraine, saying it takes time to wind down military exercises. Moscow announced on Tuesday a partial force pullback, easing Western fears of a looming invasion of Ukraine, but the United States and NATO said on Wednesday the Russian military presence there was actually growing, not diminishing. Kremlin spokesperson Dmitry Peskov told a news briefing that Russia’s defence ministry had a clear timetable for …