If John Erickson hadn't had his gun with him when a neighbor's pit bull attacked him, there's no telling how bad things might have been. Erickson, 22, was walking up to his house on 400 South near 700 West in Orem on Wednesday when a neighbor's pit bull bit him from behind. As he rode his scooter to his house around 8:30 p.m., Erickson saw the dog sitting calmly while a neighborhood girl petted it. Then he parked and took three or four steps toward his house when the dog bit him. "All of a sudden the dog grabbed my...