Terror Warnings & Psychology

The Office of Homeland Security has created a color-coded terrorism alert system to warn of imminent attacks, but many people find the system confusing, and Vice President Cheney's recent statement that another attack is almost certain has heightened people's concern. Karen Grigsby Bates talks with NPR's Pam Fessler about the Homeland Security Advisory System, and with psychiatrist Ivan Walks, former chief health officer of the District of Columbia, about the psychological impact of the terrorist threat.



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