Not going to do any editorializing here; just going to do some non-fancy math. James Joyner asks:

There have been precisely three attempts over the last eight years to commit acts of terrorism aboard commercial aircraft. All of them clownishly inept and easily thwarted by the passengers. How many tens of thousands of flights have been incident free?

Let's expand Joyner's scope out to the past decade. Over the past decade, there have been, by my count, six attempted terrorist incidents on board a commercial airliner than landed in or departed from the United States...

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