Originally Posted by UAL_Rulez
My OP was intended to go beyond that - that even 5X screening of a bag, if done ineffectively, doesn't pick up LARGE and not very well hidden "forbidden items"
Exactly -- so why not concentrate on *human*intelligence*? Airplanes will never be 100% safe -- even if we ban passengers completely! All were doing now is responding to threats and attacks after the fact, one by one. Why not spend some of the billions we are wasting looking for water & pointy things on different techniques?