Coal Pollution: Hiding in Plain Sight

As the nation wakes in a groggy haze in response to the coal ash spill at the Kingston plant in Tennessee, we slowly learn that it's not just the avalanche of coal ash pouncing on the unlucky that should hold our attention; it's also the ash-based heavy metals leaching quietly into ground and surface waters, at up to 70 sites over our nation, that call us to horror and action.