[abutterfinger25]

Originally Posted by Butch Cassidy Slept Here

There is no credible "safety" argument the TSA or the airlines can mount to support denial of boarding because somebody is wearing a t-shirt, or wrote something on a boarding pass, they didn't like. Sorry, but contrary to the assertions of some TSA Officers, the First Amendent DOES apply on airport property and aboard US registered aircraft. .

First Amendment aside, any business can deny a potential customer sevice if they feel that the person's attire is not appropriate.

However, the "appropriate-ness" of the clothing is very subjective.