The purpose of this Article is to explore the thesis that statutes, like the Constitution and the common law, should be interpreted dynamically. Part I sets forth a cautious model of dynamic statutory interpretation. It uses specific examples of dynamic interpretation to show how the model works. The Article accepts the traditional assumptions that a functioning representative democracy exists in our polity, that the legislature is the primary lawmaking body, and that in many cases statutory language will be sufficiently determinate to resolve a given case. Even under these conventional assumptions, however, original legislative expectations should not always control statutory meaning. This is especially true when the statute is old and gen...