Regarding the Feb. 16 editorial "Scan Everyone: Wholesale Opt-Outs at the Airport Will Hurt Security": Anyone should have the right to refuse to submit to a full-body scan, for religious reasons or for any other reason, just as anyone may refuse a Breathalyzer test when stopped by police for a sobriety check.
If a person refuses a Breathalyzer test, you take away his driving privileges. If he refuses to do the body scan, you don't let him board the flight. That's all.
The last time I checked the Constitution, there was no constitutional right to fly commercial.