The September 11 attacks brought home the need to better protect the US homeland against attack from without and within. This volume examines the underpinnings of this mandate by analysing: the definition of homeland security; vulnerabilities; costs and who should pay; and organizational reform.

The September 11 attacks forcefully brought home the need to better protect the US homeland against attack from without and from within. How can this task be accomplished most effectively and with the fewest costs to the American economy and way of life? This volume examines the complex underpinnings of a difficult mandate by analysing: the definition of homeland security; vulnerabilities; costs and who should pay; and organizational reform.