From celebrated public intellectual, New York Times bestselling author, and “America’s most famous professor” (BookPage) comes an urgent and sharply observed look at freedom of speech and the First Amendment offering a “nonpartisan take on what it does and doesn’t protect and what kind of speech it should and shouldn’t regulate” (Publishers Weekly). How does the First Amendment really work? Is it a principle or a value? What is hate speech and should it always be banned? Are