Actually, there is. The Supreme Court has held that the government cannot prohibit speech that advocates violence, unless that speech constitutes an incitement to imminent lawless action. Brandenburg v. Ohio (1969).
BS. Tell your neighbor you wish to do him harm. See what happens.
That is why The Pig Kennedy (D-Hell) and his rat cohorts worked so hard to allow open borders. Muslims are just another divisive group allowed unlimited access. The intent it to destroy our society and drive us toward despotic rule.
For a smart guy you should know this.