With the departure next month of the CIA’s deputy director for intelligence, Jami A. Miscik, CIA Director Porter J. Goss will have largely completed the replacement of top agency officials that his aides had predicted to colleagues when they took control in October. About 20 senior CIA officials have resigned or retired since Goss, the former chairman of the House intelligence committee, left Congress to become director of the agency, bringing with him to Langley four GOP aides from Capitol Hill. Only one member of the leadership team put together by former CIA director George J. Tenet remains — Donald M. Kerr, deputy director for science and technology.Full Story