Two years later, the Massachusetts affiliate took the card-burning case of David O'Brien to the Supreme Court, arguing that the act of burning was a form of symbolic speech, but the Supreme Court upheld the conviction in United States v. O'Brien, 391 US 367 (1968).
两年后，马萨诸塞州的分支机构将大卫·奥布莱恩烧征兵证的案子上诉到最高法院，认为燃烧的行为是象征性言论的一种形式，但最高法院维持原判，在美国诉O'奥布莱恩美国367，391（1968）。