On September 11, 2001, the "Fear Switch" in our brains got flicked. How do we turn it off and reclaim our lives? ? Five years after September 11, we're still scared. And why not? Terrorists could strike at any moment. Our country is at war. The polar caps are melting. Hurricanes loom. We struggle to control our fear so that we can go about our daily lives. Our national consciousness has been torqued by trauma, in the process transforming our behavior,...