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.
Success follows those adept at preserving the substance of the past by clothing it in the forms of the future.
Once you're in a particular country and you're surrounded by musicians who are so adept at traditional music you suddenly realize how much there is to explore and digest and learn and experience.