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Hundreds of employees at the National Institute for Occupational Safety and Health were laid off this week, including researchers that monitor the health of coal miners.

More than 2,000 miners in Appalachia are dying from an advanced stage of black lung. º£½ÇÉçÇø and Frontline have found the government had multiple warnings and opportunities to protect them, but didn't.

A mobile health clinic is touring different coal towns in Ohio to help miners find out if they have black lung disease. As Statehouse correspondent Andy...