What Makes a Great Authentic Spy Novel?

In Episode 13 of his podcast "In the Room with Peter Bergen," New America Vice President and ASU Professor of Practice Peter Bergen discusses what makes a great spy novel:

Double agents, dead drops, and deadly missions enliven some of the most popular and well-known spy novels. But do you need to have been an ACTUAL spy in an intelligence agency like the CIA to write like one? And how do real spies rate the fictional ones?

Listen to the episode here, and see the full set of episodes here.