A joint investigation finds health risks, spills to the St. Louis area were ignored
                                
                                
                                    (Newser) -
                                    The federal government and companies responsible for nuclear bomb production and atomic waste storage sites in the St. Louis area in the mid-20th century were aware of health risks, spills, improperly stored contaminants, and other problems—but often ignored them, finds an investigation done in collaboration by the  AP , the...