Slate outlines the process by which the pat down policy was developed, announced and implemented, as well as the campaign its now waging to defend it. It creates and interesting dilemma for both the TSA and the Obama Administration. Which woudl you rather have to explain? Why travelers were groped, or why you let an explosive on a plane, especially if it goes off?
While we're at it, here's something to relax about: cavity bombs. Current technonoly cannot detect them.