Passing Through The Airport Metal Detector While Wearing A "Brigadoon" Sweatshirt

TSA: "Please remove all jackets before passing through the detector. Sir, no need to remove your sweatshirt."

TSA: "Sir, please step through the detector while displaying your boarding pass. No, it is not necessary to display your driver's license as well."

(ding)

TSA: "Sir, please back up and pass through the detector again, this time making sure not to brush against the detector while passing through."

(no ding)

TSA: "Sir, your 'Brigadoon' sweatshirt: in our high school production, I was Harry Beaton."

Marc: "Really?"

TSA: "Yes, sir. (smile) Next please!"