Geoffrey Stone, the Edward H. Levi Distinguished Service Professor at the University of Chicago, delivered the 22nd annual Hugo L. Black Lecture on Freedom of Expression on April 18. The topic of this year's event was "Justice Alito’s First Amendment.” Stone explored the current state of constitutional jurisprudence, with a particular eye on the approach of the most "conservative" of the current justices. How they undertake the challenge of interpreting the often vague and open-ended guarantees of the Constitution? What explains their decisions in the most controversial cases, involving such issues as the constitutionality of campaign finance regulation, affirmative action, and gun control?…