We live in a world inundated with fear. A sense of danger lurks in the shadows. Our comfort zones evaporate all around us. Muggings, drive-by shootings, workplace violence—we can feel our security threatened by hateful hands. And unbelievably, now we must face the reality of global terrorist threats inflicting harm on innocent citizens. Questions roll around in our heads as we attempt to negotiate daily life. Is it safe to take public transportation? Should I cancel my next airplane trip? Can I safely take my family to a sporting event at the local stadium?