FILE - This March 26, 2013 file photo shows the Fort Calhoun nuclear power plant in Blair, Neb. The owners of both of Nebraska's nuclear power plants are evaluating what it might mean if a damn upstream failed as part of an industrywide review of unlikely hazards. But regulators have told the utilities they don't need to worry about some of the scenarios they were considering. (AP Photo/Nati Harnik, file)
Featured Photo Galleries
