Rail World Inc. president Edward Burkhardt is escorted by police as he tours Lac-Megantic, Que., on Wednesday, July 10, 2013. A Rail World oil train derailed in the town killing at l

 

              Rail World Inc. president Edward Burkhardt is escorted by police as he tours Lac-Megantic, Que., on Wednesday, July 10, 2013.    A Rail World oil train derailed in the town killing at l
Rail World Inc. president Edward Burkhardt is escorted by police as he tours Lac-Megantic, Que., on Wednesday, July 10, 2013. A Rail World oil train derailed in the town killing at least 15 people. (AP Photo/The Canadian Press, Paul Chiasson)