'Super-Power': The Impact of Hydroelectric Dams

Hydropower plants are marvels of engineering that have helped bring development and prosperity to the regions they serve. But they're also in the crosshairs of interest groups that say they should be closed because of their environmental impacts and others who want to sell the facilities to private industry. Learn more from three hydropower experts: Kurt Miller of Northwest RiverPartners, Benton REA's Troy Berglund and NRECA's Ashley Slater.