e, prevailing assumption before Sept. 11 that explosives, not people, represented the real threat. Before the mass hijacking, no one had anticipated a scenario where extremists would turn not just themselves, but whole planes, into suicide bombs. Our lawmakers need to realize that terrorists of the past are not like the current and certainly cannot be expected to be like those of the future. The only way the nation's air-travel industry can recover from the critical damage of Septembers terrorism is through dramatic upgrading of security at airports and aboard airliners. We must take full advantage of our world leadership in technology and apply it towards safeguarding our flying public. Technology can let the human intervene in security more effectively, by checking the false positives, as opposed to making the humans look at all luggage and each passenger individually....