Bad math at idle Neb. nuke plant prompts questions - Article Photos 1/1

FILE - This July 14, 2011 file photo shows the Fort Calhoun nuclear power plant being surrounded by the rising waters from the Missouri River, in Fort Calhoun, Neb. A nuclear reactor in Nebraska, idled for almost two years by a laundry list of problems, is coming under increased regulatory scrutiny due to some bad math in its 40-year-old design and the use of Teflon even though it tends to disintegrate when exposed to high radiation. (AP Photo/Nati Harnik, File)