Facebook Loving Criticism of Teacher is Protected Speech

The lawyer expert toward the bottom of the story says, threats are a different story.

Here is an analysis of a call to kill a Supreme Court Justice by Ann Coulter. It concludes that Supreme Court decisions require an imminence and physical likelihood before such threats can be prosecuted or even be considered unethical.

http://www.legalethicsforum.com/blog/2006/02/what_can_and_sh.html

That analysis applies to criminal prosecution and lawyer discipline. Whether it applies to school discipline is not clear. The Court wants to defer to educational authorities to maintain school discipline.