For this week’s pod extra, we feature a conversation from WNYC’S Brian Lehrer Show. Brian talked with Columbia University President Lee Bollinger and University of Chicago Law Professor Geoffrey Stone, editors of The Free Speech Century, a collection of essays by leading scholars, marking 100 years since the Supreme Court issued the three decisions that established the modern notion of free speech.

Whether it’s fake news or money in politics, we’re still arguing over the First Amendment, and their book lays out the origins of the argument just after the first World War.