Are homegrown terrorists a threat to national security? Should the U.S. employ a missile defense against North Korea's nuclear weapons? Does wiretapping protect America against terrorism? These hard-hitting questions, along with several others, are debated throughout this book. Essays are sequenced in a pro versus con format, so that readers will evaluate which point of views are most compelling. Essay sources include Donald H. Rumsfeld, George W. Bush, The New York Times, and Nuclear Age Peace Foundation.