The American spy who persuaded Libya to renounce its weapons of mass destruction is to return to the Central Intelligence Agency, where he will direct an aggressive drive to recruit informants inside Iran to aid possible negotiations over Teheran's nuclear capability. Stephen Kappes, a former United States Marines officer who resigned from the CIA after a clash with its then director, Porter Goss, has been brought back from self-imposed exile in London by George W Bush. Iran will be top of his agenda. "He's a remarkable guy, a talented leader and among the finest officers of his generation," said Gary...