Since 1971, when the Pentagon Papers were leaked to the New York Times and furious debate over First Amendment rights ensued, free-speech cases have emerged in rapid succession. Floyd Abrams has been on the front lines of nearly every one of these major cases, which is also to say that, more than any other person, he has forged this country’s legal understanding of free speech. Litigating everything from national-security and prior-restraint issues to controversies concerning the law of libel and attempts by local officials to censor art, Abrams has worked devotedly to protect the First Amendment, the “crown jewel” of America’s Constitution. This collection of Abrams’s writings gathers speeches, art...