If you actually want to be informed on the subject I highly recommend: How to Design Impenetrable Airport Security by Wendover Productions (https://www.youtube

If you actually want to be informed on the subject I highly recommend: How to Design Impenetrable Airport Security by Wendover Productions (https://www.youtube.com/watch?v=1Y1kJpHBn50 https://www.youtube.com/watch?v=1Y1kJpHBn50, 14 minutes, well researched) Doesn't appear to have any downsides, appears to be logical, effective, and necessary. Appeals to emotion not withstanding. If you have any good faith suggestions for improvement after watching this I'd be all ears.