Russian morale is rock bottom, but they are adapting. As they dig in, they resort to laying reams of mines alongside roads and around their positions. The Ukrainians, who lack mine-clearing equipment, find themselves now unable to get close enough to use some of their much-vaunted anti-tank systems. The British-made NLAW, for instance, which has done sterling work throughout the campaign so far, has an effective range of only 500 meters in the hands of a good gunner (this despite what the manuals say, since feedback from the field is just that). Assets such as small drones, which are regarded...