"(Not all do. A spokeswoman for the security administration said that 99 of the body scanners now installed use a form of X-ray technology with radiation levels that are minimal and safe. The other 43 body scanners use a form of radio wave technology. More on that issue next week.)"

I would love to see Joe Sharkey produce a peer-reviewed study that supports his use of the word "safe" by next week. Or even in the next 5 years.