When we got to the scanner, I opted out. Then they opted out.
Anyone care to do the math on what it would cost in excess fuel to add enough metal shielding to the fuselage to offer passengers "new and improved: no x-rays!" flights?  (Only mostly not serious).With more widespread awareness of x-ray exposure during a normal flight, I wonder if we will see any people so agitated that they wear stuff like this:
http://www.medvena.com/protection_clothing_maco_en.html