The LSC subsidy neither prevents anyone from speaking nor coerces anyone to change speech,

Words have meaning. And their meaning doesn't change.

I think Thomas Jefferson would have said the more speech, the better.

Burning the flag is a form of expression. Speech doesn't just mean written words or oral words. It could be semaphore. And burning a flag is a symbol that expresses an idea - I hate the government, the government is unjust, whatever.

Because values change, legislatures abolish the death penalty, permit same-sex marriage if they want, abolish laws against homosexual conduct. That's how the change in a society occurs. Society doesn't change through a Constitution.

Being a good person begins with being a wise person. Then, when you follow your conscience, will you be headed in the right direction.