Porter Goss' initial moves as CIA director appear to herald a post-election purge at the already troubled spy agency, according to current and former top U.S. intelligence officials. Goss, a former Republican congressman, has put at least four former Capitol Hill Republican staffers into top positions in his CIA office and has given them broad authority to make personnel and restructuring decisions, the current and former intelligence officials said. One of the aides, whose identity Knight Ridder is not disclosing because he served under cover, has been "going around telling people they are to fire 80 to 90 people" in...