TSA Puzzle of the Day

Flying out of IAD yesterday I noted that all of the x-ray bins had been numbered. It clearly took work to do this. But when I ask some of the TSA officers no on had an answer.

20130415-033251.jpg

Related

The new McKinsey report I wrote about yesterday shows how

Here’s my crack at estimating the number of screens in

Earlier this week, the New York Times reported on a