Radioactive Waste Goes Under TentsThursday, June 06, 2002 4:34 p.m. EDTBy MARK SHERMAN Associated Press Writer WASHINGTON (AP) - The federal government spent $62 million on a building to store and treat low-level radioactive waste at a California nuclear weapons laboratory, then decided the structure wasn't secure enough. So where is the waste kept now? Under tents. Hundreds of bright yellow, 55-gallon drums are stacked under the tents outside the building at the Lawrence Livermore National Laboratory, east of San Francisco . Rep. Ellen Tauscher, the area's congresswoman, is incredulous. "You're not trying to tell me that between the building...