Is a roving, body-scanning van a needed surveillance tool or a another step toward eroding personal privacy? Andy Greenberg of Forbes is reporting that American Science & Engineering, which provides x-ray scanners to governments and defense companies, has introduced a van capable of scanning nearby cars. The Z Backscatter Vans, or ZBVs, are used to […] http://sswi.me/MZjufQ via @shellypalmer