On December 22nd, Roane County residents awoke to an environmental disaster... overnight, more than a billion gallons of coal fly ash had spilled from the Tennessee Valley Authority's Kingston Fossil Plant, covering hundreds of acres of land and fouling the Emory River. The effects of the spill on Roane County are still being assessed. Chrissy Keuper hosts May's Dialogue with Greg Button, an Anthropologist at the University of Tennessee. His research focuses on environmental disasters and the impact of those events on people and communities... 