In SFO, I haven't seen any of this and security seems pretty much unchanged, but recently going through San Diego was a completely different experience. There they were searching passengers and using full body scanners on children. I overheard a mom telling her kids, "just do what they tell you" waiting in line to be searched, and being a dad, was immediately sick to my stomach thinking of what these kids were learning. If you don't have children you have no idea that simple statements like that can become rules in a child's brain; rules that are likely to get applied out of context.

Just curious, how would you answer a 3-6 year old child as to why it is ok for a uniformed stranger to be touching them?