Its not an issue of it not working -- it would be illegal. Illegal things can not happen in plain site in the US, and the airport is one of those places. Every

Its not an issue of it not working -- it would be illegal. Illegal things can not happen in plain site in the US, and the airport is one of those places. Everyone knows the TSA is a joke, these are people who are qualified to do very little else. The TSA procedures are just noise to make the racial profiling look less obvious.