" The warnings, according to documents obtained by The Associated Press, began in 1991 when a group of students were brought into a secure area of the Vermont Yankee nuclear plant without proper screening. On at least two occasions, a gun or mock terrorists passed undetected into the plant during security tests.
During Dean's final year in office in 2002, an audit concluded that despite a decade of repeated warnings of poor safety at Vermont Yankee, Dean's administration was poorly prepared for a nuclear disaster. "