Reminder from FIRE that, āFrom the river to the sea, Palestine will be free,ā is very much protected by the First Amendment.

Is saying āFrom the river to the sea, Palestine will be freeā protected speech under the First Amendment?
While the phrase āFrom the river to the sea, Palestine will be freeā may offend some listeners, feeling offended is hardly adequate cause to circumvent First Amendment protections for freedom of speech.
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