Airport body scanners: Are they safe?

By Mike Ahlers, CNNUpdated 12th June 2012
A new study of  backscatter machines finds they meet national standards for  radiation exposure.
The TSA shows off some new body scan technology in New Jersey. WCBS has the story.
CNN's Lizzie O'Leary on a new report showing only 42% of security breaches reported properly by TSA.
Rep. Mike Rogers (R-AL) looks at a new report showing TSA's failure to track a number of security breaches.