By Susan Barnett
http://stream.publicbroadcasting.net/production/mp3/wamc/local-wamc-884233.mp3
Hudson Valley, NY –
The byproduct of a system that brought light to thousands in Mid-Hudson cities until the 1950s is a toxic liquid that's costing billions to clean up. And New York officials say it costs the state, too, as officials oversee the projects. Hudson Valley bureau chief Susan Barnett reports.