A new book explores the landmark years in which the Supreme Court reshaped the course of the United States. We discuss “Democracy and Equality” with University of Chicago law professor Geoffrey Stone, who co-authored the book.

How did we get the free speech protections we enjoy today, and where might they head in the future? A new book uncovers that – and more.

After revelations that the NSA has been secretly collecting metadata on the phone calls of millions of Americans, we speak with one of the members of President Obama's review group charged with advising him on possible reforms: University of Chicago law professor Geoffrey Stone. Read The Guardian's NSA Files: Decoded.