A small town in Montana is beset by the worst case of a widespread toxic contaminant in U.S. history. For decades, the WR Grace company knew it was exposing residents to a deadly form of asbestos. The EPA has now determined that 1/4 of the residents have asbestos-related lung abnormality. Hundreds have already died. Libby, Montana is the story of the American dream gone horribly wrong.
