This has been done since Eisenhower.
See my posts #11, #18,
http://www.freerepublic.com/focus/f-chat/2878106/posts?q=1&;page=1#1
Yes, I saw that also in post #9 here. I can’t say I am a fan of supposed forced loyalty or allegiance, regardless of who started it. Like trust, loyalty and allegiance are earned, not legislated.