Homeland Security: The Essentials, Second Edition concisely outlines the risks facing the US today and the structures we have put in place to deal with them. The authors expertly delineate the bedrock principles of preparing for, mitigating, managing, and recovering from emergencies and disasters. From cyberwarfare, to devastating tornadoes, to car bombs, all hazards currently fall within the purview of the Department of Homeland Security, yet the...