We use what we call ‘decision gates’ to force a terrorist to make a tough choice in as many places as possible. To a terrorist, facing these choices adds unwelcome complexity and generates opportunities for them to make a mistake or get noticed by a BDO.
From none other than BB himself:
http://blog.tsa.gov/2008/10/tsas-tak...c-article.html
I'll bet those terrorists at CLT were truly put off by the "decision gate" they faced there.
~~
Oops, didn't see
G_Wolf's post before I posted.