'If nothing changes, it will happen again,' says rep for one of the Norfolk Southern workers unions
                                
                                
                                    (Newser) -
                                    The chemical-laden freight train that  derailed  in East Palestine, Ohio, on Feb. 3 was a rather large one: more than 150 cars, stretching for 9,300 feet and weighing 18,000 tons. Now, Norfolk Southern workers are saying they were concerned before the accident about the train's size, and...