Hoover working group member and senior fellow at the Brookings Institution, Benjamin Wittes interviews author Stephen Budiansky on his new book, Code Warriors: NSA's Codebreakers and the Secret Intelligence War Against the Soviet Union. The interview takes a look at the NSA's origins, its war against the Soviet Union and how the war relates to the Edward Snowden revelations. A limited quantity of complimentary copies will be provided. Security by the Book is a series of interviews of key national security authors conducted in partnership with Lawfare. Visit Security by the Book's website for past podcasts.