Leaks at aging nuclear plants difficult to detect, government reports

Wednesday, June 22, 2011 | 9:23 p.m. CDT; updated 2:59 p.m. CDT, Tuesday, July 19, 2011

WASHINGTON — U.S. nuclear power plant operators haven't figured out how to quickly detect leaks of radioactive water from aging pipes that snake underneath the sites — and the leaks, often undetected for years, are not going to stop, according to a new report by congressional investigators.