Isaih Thompson writes for Pro Pubica:   The oil boom underway in North Dakota has delivered jobs to local economies and helped bring the United States to the brink of being a net energy exporter for the first time in generations.

But moving that oil to the few refineries with the capacity to process it is presenting a new danger to towns and cities nationwide — a danger many appear only dimly aware of and are ill-equipped to handle.  Dangers of Transporting Crude Oil