New York Times: Duke Energy, the electric utility whose massive spill of toxic coal ash into a river six weeks ago is part of a federal investigation, illegally pumped as much as 61 million gallons of coal-ash wastewater into a second river from September to last week, North Carolina regulators charged on Thursday. Both the accidental spill and the deliberate releases occurred not far upstream from municipal drinking-water intakes. The utilitys officials have said that the pumping was part of preparations for...