Established in 1949, the North Atlantic Treaty Organization (NATO) performed its assigned mission exceedingly well as it secured peace for its member states and avoided military confrontation between the superpowers during the remaining four decades of the Cold War. But with the dramatic changes that began in 1989, an identity crisis has plagued NATO. Whereas the Cold War years had essentially defined who would be fighting whom in a future conflict, the uncertain post-1989 years are introducing new and possibly calamitous variables. Despite the fact that hardly a voice has been heard calling...