The bottom line is how do we best provide for the security of the traveling public in light of a determined enemy who is adept at constructing well-designed well-concealed devices which would not show up in a walk-through metal detector? We're trying to employ the best technology to identify any possible threat.

Champagne if you are seeking the truth is better than a lie detector. It encourages a man to be expansive even reckless while lie detectors are only a challenge to tell lies successfully.