Are We Prepared? : Hearing Before the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Eighth Congress, Second Session, on Examining Preparations for Possible Future Terrorist Attacks, Focusing on A Concept of Operations Plan, Tailored to Each National Special Security Event, Which Establishes A Framework for Managing Federal Public Health and Medical Assets and Coordinating With State and Local Governments in An Emergency, July 22, 2004