Bombs in underpants? time to watch your backside

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What next can we expect when we fly the friendly skies?

Unpredictability is the name of the game -- whether you are man, woman, or beast.

"Be Prepared," as the Boy Scouts say.

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We must all watch our backsides to protect ourselves from attack.

(For a more frivolous treatment of these issues see Frederic A. Moritz, Predicting Unexpected Attack: Is It Negligence or an Impossible Task?)