As Mine Protections Fail, Black Lung Cases Surge - part 1

A joint investigation by National Public Radio and the Center for Public Integrity found that the incidence of the disease that steals the breath of coal miners doubled in the last decade, according to data analyzed by epidemiologist Scott Laney at the National Institute for Occupational Safety and Health. Cases of the worst stage of the disease have quadrupled since the 1980s in a triangular region of Appalachia stretching from eastern Kentucky through southern West Virginia and into southwestern Virginia.