Privacy advocates continue to speak out against plans to more widely use full-body scanners in airport security. Despite conflicting reports about the images these machines show, a TSA spokesman says, "They significantly enhance security because they can detect metallic and nonmetallic items hidden under clothing." A recent poll showed strong support for wider use of the scanners, despite privacy concerns. Meanwhile, a new poll shows that a majority of people favor the concept of additional security screening for those passengers who fit a certain profile.
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