KYIV (Reuters) -The Ukrainian Defence Ministry on Sunday ridiculed Moscow’s partial mobilization to bolster its forces in Ukraine, posting on Twitter a mash-up of social media videos of Russian police beating and arresting men protesting the call-up. The mockery came as Russia’s two top lawmakers expressed concern about the drive, ordering regional officials to resolve “excesses” that have ignited public anger, triggered demonstrations and prompted military-age men to make for border crossings. “Russia still has remnants of a professional army” that the Ukrainian army “hasn’t yet destroyed,” t…