When we talk about infrastructure, we talk mostly about roads and bridges - but very little, if anything, about rivers.

Tyler J. Kelley is a journalist and author who examines the Ohio, the Missouri and the Mississippi Rivers - from the people who live along them to the policies of the U.S. Army Corps of Engineers - in his book:  “Holding Back the River:  The Struggle Against Nature on America’s Waterways,” published by Simon and Schuster.