A passenger walks past a sign informing travelers about the use of full-body scanners for TSA security screening, Friday, Nov. 19, 2010, at Seattle-Tacoma International Airport in Seattle. (AP Photo/Ted S. Warren)
A passenger walks past a sign informing travelers about the use of full-body scanners for TSA security screening, Friday, Nov. 19, 2010, at Seattle-Tacoma International Airport in Seattle. (AP Photo/Ted S. Warren) ASSOCIATED PRESS
A passenger walks past a sign informing travelers about the use of full-body scanners for TSA security screening, Friday, Nov. 19, 2010, at Seattle-Tacoma International Airport in Seattle. (AP Photo/Ted S. Warren) ASSOCIATED PRESS