Climate change threatens the future of Chicago

Climate change is threatening the structural integrity of Chicago, the nation's third-largest city nestled between Lake Michigan and the Mississippi River Delta. Dan Egan, the author of "The Death and Life of the Great Lakes" and journalist-in-residence at the Center for Water Policy at the University of Wisconsin-Milwaukee's School of Freshwater Sciences, joined CBSN to discuss the impact of climate change on the Windy City.