From industrial hauler to America's new station wagon, the SUV has been a spectacular success story, both satisfying and reflecting the tastes of the American consumer. Was the rise of the SUV enabled, even encouraged, by Washington regulators with close ties to the industry? And did they overlook serious safety and environmental flaws in the vehicle that continue to haunt it? FRONTLINE presents an in-depth report of the vehicle that turned Detroit's fortunes around and asks what consumers really know about their SUVs and those charged with making them safe.