Forty years ago this month, the Cuyahoga River in Cleveland became the poster child for the problem of industrial pollution on American rivers. A Time Magazine article reported the local joke that if a person fell in the river they would not drown, but decay. That article sparked outrage in the American public and jumpstarted the environmental movement and the Clean Water Act. Host Jeff Young talks with Frank Samsel who spent his career cleaning up the Cuyahoga.