https://www.popehat.com/2015/05/19/how-to-spot-and-critique-...
"Trope Seven: "Fighting words"
Example: "There are two exceptions from the constitutional right to free speech – defamation and the doctrine of “fighting words” or “incitement,” said John Szmer, an associate professor of political science and a constitutional law expert at the University of North Carolina at Charlotte." McClatchy.com, May 4, 2015.
No discussion of controversial speech is complete without some idiot suggesting that it may be "fighting words."
In 1942 the Supreme Court held that the government could prohibit "fighting words" — "those which by their very utterance inflict injury or tend to incite an immediate breach of the peace." The Supreme Court has been retreating from that pronouncement ever since. If the "fighting words" doctrine survives — that's in serious doubt — it's limited to face-to-face insults likely to provoke a reasonable person to violent retaliation. The Supreme Court has rejected every opportunity to use the doctrine to support restrictions on speech. The "which by their very utterance inflict injury" language the Supreme Court dropped in passing finds no support whatsoever in modern law — the only remaining focus is on whether the speech will provoke immediate face-to-face violence.
That's almost always irrelevant to the sort of speech at issue when the media invokes the trope."