Facial recognition software. Trace portal machines. The Total Information Awareness database. And now, body scanners. All these new technologies have enjoyed their day in the sun, immediately following terrorist attacks, as a potential magic bullet to keep us safe while traveling.
But repeatedly, gadget defenses have shown themselves to be costly, flawed and difficult to implement. Meanwhile, they take precious resources away from tried and true counterterrorism measures, like hiring more highly trained airline screeners or additional State Department officials.
'Our reaction has been predictably irrational,' complains Bruce Schneier, author of numerous books on security, including 'Beyond Fear.' 'We're going to spend a lot of money and it won't make us safer.'
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