Security protests could disrupt holiday travel

There is a loosely organized boycott of full-body scans called National Opt-Out Day scheduled for Wednesday to coincide with the busiest travel day of the year.

Even if only a small percentage of passengers participate, experts say it could mean longer lines, bigger delays and hotter tempers.

Participants are being urged to decline the scans, which take as little as 10 seconds.

Instead, they would have to undergo a full pat-down (as shown above) which takes much longer. That could cause a cascade of delays at dozens of major airports.

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