EAST PALESTINE, Ohio (AP) — Plumes of smoke, questions about dead animals, worries about the drinking water. A train derailment in Ohio and subsequent burning of some of the hazardous chemicals has people asking: how worried should they be? It’s been more than a week since about 50 cars of a freight train derailed in a fiery, mangled mess on the outskirts of East Palestine near the Pennsylvania state line, apparently because of a mechanical issue with a rail car axle.