TV Schedule for Story - Network

Black Blizzard

A weather phenomenon that became known as the "black blizzard" ravaged America's heartland between 1930 and 1940; scientists re-create conditions of the time and conclude that it was not a natural disaster but a man-made one.

The Crumbling of America

Investigation of deteriorating infrastructure in the United States spotlights more than 70,000 bridges rated as structurally deficient, past disasters, new technologies, and designs to prevent problems.