No matter what the future, one factor must always be reckoned with—the ingenuity of the human animal. The two men attacked the thick tree trunk with a weary savagery. In the bright sunlight, glistening spatters of sweat flew from them as the old axes bit alternately into the wood. Blackie stood nearby, on the gravel shoulder of the highway, rubbing his short beard as he considered the depth of the white notch. Turning his broad, tanned face to glance along the patched and cracked concrete to where squat Vito kept watch, he caught the latter's eye and beckoned.