.THE LATEST film in the "Mad Maximum" collection, released in May, is a motorhead's fantasy, teeming with warlords that ride through a post-apocalyptic desert on choppers, Harley davidson Davidsons as well as dirt bikes. The strategies are inconceivable, as well as the brutality is actually extreme. Yet in current months something not dissimilar has actually been happening in Ukraine. For much of the battle Russia has struck making use of conventional "combined-arms" strategies: soldiers advance in armoured autos, backed by containers and artillery, after that dismount to eliminate on foot for the final few hundred metres. But because April some Russian troops have actually been striking on motorbikes. Why?