Body scanners for the trains?

Physic mind probes next, to try and catch the sort of strong principled reactionary who might turn terrorist while on the train as a consequence of something they read in the paper. (Or possibly by the bad service).

Slashdot IT Story | Next Step For US Body Scanners Could Be Trains, Metro Systems

Hugh Pickens writes "The Hill reports that Homeland Security Secretary Janet Napolitano says terrorists will continue to look for US vulnerabilities, making tighter security standards necessary. '[Terrorists] are going to continue to probe the system and try to find a way through,' Napolitano said