Persistent black lung, scourge of coal, found in autopsies of Massey miners

After bureaucratic hurdles, industry pushback and political calculations, there is no fix in sight.

Despite decades-old law, cheating, legal loopholes expose miners to deadly dust.

Falsification of dust samples was common at the scene of the 2010 mine disaster, workers testified

Legislative maneuver bars regulators from implementing or enforcing a proposal to reduce miners' exposure to coal dust