To date no one has discovered a set of organizing principles for free speech doctrine, an area of the law that has been criticized as complex, ad hoc, and even incoherent. We provide a framework that distills free speech law down to three judgments: the first about the role of government; the second about the target of government regulation; and the third a constrained cost-benefit analysis. The framework can be summarized by three propositions: first, the Constitution constrains government if it regulates private speech, but not if government speaks, sponsors speech or restricts expression in managing an internal governmental function; second, government regulation is subject to the Free Speech Clause only if it targets communication; and,...