Argumentation of the case involving Tinker and the Des Moines School District over freedom of expression

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…frame of reference when they enacted the policy against armbands. It was their intention to prevent any form of violence or the threat of. Unfortunately the way inwhich it was handled was a grave error on the part of the school district. Mr. Justice Brennan, speaking for the Court said, "The Vigilant protection of constitutional freedoms is nowhere more vital than in the community of American Schools . . . the classroom is peculiarly the marketplace of ideas."