Richard A. Clarke began his federal service in 1973 in the Office of the Secretary of Defense. In the Reagan administration, he was the Deputy Assistant Secretary of State for Intelligence. In the first Bush administration, he was the Assistant Secretary of State for Politico-Military Affairs and then a member of the National Security Council staff. He served for eight years as a special assistant to President Clinton and was National Coordinator for Security and Counterterrorism for both President Clinton and President George W. Bush. From 2001 to 2003, he was the Special Adviser to the Presi...