THE EARLY-SUMMER SUN HASN'T YET BURNED THE DEW FROM the grassy back yard when the yellow John Deere fires up its engine and arches to full size, its hydraulic arm towering over the little two-story house. Rubber tracks dig into soft ground; a mulberry tree snaps like a sprig of parsley in the grip of the large, toothy bucket. Then the ground shudders again and the excavator--jaws dribbling with leaves and shredded branches--lumbers... More >>>