The three teenagers were laughing as they threw the white cane back and forth, while the blind girl stood in the middle of the park sobbing, hands reaching out for help that wasn't there. I watched in horror as these cruel kids taunted her, "Fetch!" they screamed, tossing her lifeline into the mud. Then the ground shook. A massive Harley jumped the curb and roared across the grass, skidding to a halt inches from the bullies. The rider was a nightmare—easily 300 pounds, face covered in scars, wea