Does wearing American flag incite violence? Supreme Court lets stand ruling - Yahoo News

"The court Monday declined to hear a First Amendment case, letting stand a ruling that a school can censor students' free speech rights if the expression could incite other students...At the center of the case was a 47-year-old free speech landmark
decision in which the Supreme Court found a First Amendment right of
students at a Des Moines public school to wear black armbands to class to protest the Vietnam War."