How about this for a rule:

[xiphias]

If you display a Confederate flag, you're not allowed to call someone else un-American.

Comments

[redbird]

Too complicated: the clause before the comma is unnecessary.

[rosefox]

Well said.

[the-siobhan.livejournal.com]

Oh, I dunno. I think it would be fair for somebody to call me un-American.

[xiphias.livejournal.com]

Along with about a third of my flist, and about 70%+ of LiveJournal in general.