other assignments followed : handling the oil embargo ten years after the kennedy assassination , the negotiations to secure the release of the american hostages at the embassy in tehran , and , when it became clear that the wogs were not going to listen to the voice of reason and authority , jimmy carter had sent the dallas police in to rescue those pore fellers c after all , authorities who had handled that kent state business with such cool-headed aplomb could surely be counted upon to perform the sort of job those mission : impossible guys did every week .