The controversial bestseller from Tom Clancy, the all-time master of the techno-thriller. CIA Deputy Director Jack Ryan joins the war on drugs. And when three American officials are assassinated in Colombia, the U.S. response is swift-and shocking.Publishers WeeklyWhen a U.S. president decides that drug smuggling has become a ``clear and present danger'' to national security, the response is a complex and covert military campaign against the ``Colombian Cartel.'' ``The dean of techno-thrillers demonstrates once again his mastery of the genre,'' stated PW . (Aug.)