NEW YORK (April 9) - When Aaron Jones walks Gozer, his Rottweiler-hound mix, people cross the street to avoid them. Mothers scoop up their children. A lost motorist once rolled up the windows and drove off after spotting the dog. One woman screamed. "He's the nicest dog I know," said Jones, 33, of Oakland, Calif. "It's hard to understand all the fear." Gozer isn't aggressive and doesn't look mean or bark, Jones insists -- people are afraid of the dog purely because it's big and black. As a puppy, Gozer was passed over for at least a month before Jones...