Comment by clipsy

Your own link underscores exactly how easily this sort of behavior can be outlawed; as recently as 1989 a flagrantly unconstitutional bill was passed banning flag burning and as recently as 2006 the house supported a constitutional amendment to ban flag burning. And that's without covering the various states that have passed laws banning flag burning, or the nearly 60 year period during which supreme court precedent allowed for laws against flag burning.