Read a free excerpt here American engineers have done astounding things to bend the Mississippi River to their will: forcing one of its tributaries to flow uphill, transforming over a thousand miles of roiling currents into a placid staircase of water, and wresting the lower half of the river apart from its floodplain. American law has aided and abetted these feats. But despite our best efforts, so-called "natural disasters" continue to strike the Mississippi basin, as raging floodwaters decimate waterfront communities and abandoned towns literally crumble into the Gulf of Mexico. In some...