First encounter with X-ray screening

The weekend brought a trip to Sea-Tac from Oakland for 747-8 first flght coverage. As it happens, I had my first experience with X-ray security screening, first at OAK and then, on the return leg, at SEA. Some initial observations: In both cases my time in the security line was at least doubled. This is not a fast procedure so plan accordingly. You are given the option of a pat-down rather than...