Coal mining has always been a dangerous job, with one in five miners ending up with “black lung disease”. But today, in Appalachia, miners are suffering from black lung at ever younger ages. “Sunday Morning” senior contributor Ted Koppel talks to miners and union officials who say coal companies are routinely breaking the rules that could help protect their workers’ health; and looks at a new government proposal that could offer real protections for miners, but faces opposition in Congress. (This story originally aired on December 10, 2023.)