Motorcycle airbags part of safety trend By JAMES HANNAH, Associated Press Writer Thu Sep 14, 12:24 PM ET MARYSVILLE, Ohio - Jeaneen Parsons' husband steered their motorcycle to the ground seven years ago to avoid hitting a passenger whose cycle went down on a twisting mountain road in Kentucky. The couple emerged from the accident with a few road burns and frazzled nerves. The passenger's leg was shattered. Marifran Mattson lost part of her left leg when the motorcycle she was on was struck by a semitrailer in 2004 near Crawfordsville, Ind. Pittsburgh Steelers quarterback Ben Roethlisberger was seriously injured...