.THE LATEST film in the "Mad Max" collection, released in May, is actually a motorhead's fantasy, having fighters that ride by means of a post-apocalyptic desert on choppers, Harley Davidsons and dirt bikes. The methods are actually improbable, and also the violence is actually severe. However, in recent months one thing not distinct has been taking place in Ukraine. For much of the war Russia has struck using traditional "combined-arms" approaches: soldiers progress in armoured automobiles, promoted by storage tanks and arms, after that dismount to combat on foot for the final few hundred metres. However because April some Russian troops have actually been striking on motorcycles. Why?