CHICAGO (AP) — Legal action following the mass shooting at a Las Vegas concert is picking up with lawsuits filed Wednesday on behalf of 14 concertgoers, including some who were shot or injured trying to escape and one woman who is so traumatized that she has since mistaken the sound of rain for gunshots.The hotel-casino from where Stephen Paddock fired, concert organizers and the makers and sellers of a bump stock gun accessory that enabled him to fire rapidly are named as [...]