With any attempt to assess security threats, there is a natural tendency to focus first on the worst. Consider the most recent appraisals of Pakistan?s nuclear program. Normally, the risk of war between Pakistan and India, and possible nuclear escalation, would be bad enough. Now, however, most American security experts are riveted on the frightening possibility of Pakistani nuclear weapons capabilities falling into the hands of terrorists who are intent on attacking the United States. Presented with the horrific implications of such an attack, the American public and media have increasingly come to view nearly all Pakistani security issues through this lens...