Grist: Five years ago, in the dead of night, a torrent of more than a million gallons of slurry broke free from its holding place at a Tennessee Valley Authority power plant in Tennessee. The toxic stew of coal fly ash, which is produced when coal is burned, polluted waterways and 300 acres of land. The disaster triggered anger from residents and promises from the EPA to introduce new rules to prevent such accidents.
The anger is still there. But the government promises appear to have been broken. The...