Herd fascinated the world with 300-mile trek north
                                
                                
                                    (Newser) -
                                    An elephant herd that  fascinated locals and people around the world  by making a yearlong journey into urbanized southwest China, raiding farms and even a retirement home for food, appears to be finally headed home. Local authorities have deployed trucks, workers, and drones to monitor the elephants, evacuated roads for...