That is hardly the first time someone has pointed this out. Schneier wrote about it in 2003, for example (http://www.schneier.com/crypto-gram-0308.html#6 http:/

That is hardly the first time someone has pointed this out. Schneier wrote about it in 2003, for example (http://www.schneier.com/crypto-gram-0308.html#6 http://www.schneier.com/crypto-gram-0308.html#6 and in his book from that year), and again several times later (e.g. http://www.schneier.com/blog/archives/2005/02/flying_on_someo_1.html http://www.schneier.com/blog/archives/2005/02/flying_on_some... http://www.schneier.com/blog/archives/2006/11/forge_your_own.html http://www.schneier.com/blog/archives/2006/11/forge_your_own... http://www.schneier.com/blog/archives/2011/07/man_flies_with.html http://www.schneier.com/blog/archives/2011/07/man_flies_with...). The bug has been closed as WONTFIX by the director of the TSA.