Editor's comment: When a non-x-ray based scanner is available, why should the x-ray based machine Rapiscan backscatter screening machines be used along with the non-ray based machine? We all know that x-ray is a cancer-causing agent, which is officially recognized by the U.S. National Toxicology Porgram. Why should U.S. men and women and children should subject themselves to such a risk?
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