Bomb Trains: The Dangerous Business of Hauling Oil

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Firefighters douse blazes after a freight train loaded with oil derailed in Lac-Megantic in Canada's Quebec province on July 6, 2013, sparking explosions that engulfed about 30 buildings in fire.
( François Laplante-Delagrave/AFP / Getty )
Produced by Ellen Frankman
PRI WNYC