68. Author Tyler J. Kelley on 'Holding Back the River: The Struggle Against Nature on America's Waterways'

Author and Documentarian Tyler J. Kelley talks about his new book Holding Back the River: The Struggle Against Nature on America's Waterways, a revelatory work of reporting on the men and women wrestling to harness and preserve America’s most vital natural resource: our rivers.

Check out Tyler's book here.