The U.S. Supreme Court has shown a notable willingness to reconsider its First Amendment precedents. In recent years, the Court has departed from its prior statements regarding the constitutional value of false speech. It has revamped its process for identifying categorical exceptions to First Amendment protection. It has changed its positions on corporate electioneering and aggregate campaign contributions. In short, it has revised the ground rules of expressive freedom in ways large and small. The Court generally describes its past decisions as enjoying a presumption of validity through the doctrine of stare decisis. This Article contends that within the context of expressive freedom, there has been no such presumption. When the Court con...