I happen to live on a few acres of land, and while I try to keep a somewhat manicured lawn and garden up by the house, most of the rest of the property is left to its own devices. Trees fall down in the woods, blackberries grow along the right of way, and sometimes things like this pop up beside the driveway. I saw it start to grow and was going to pull it up, but Bill said to just leave it and see what happened. As it grew, the thick, spiny...