The term "October Surprise" has come to mean any kind of shock that might upend a November election. But the original October Surprise was in 1980, when Ronald Reagan's campaign operatives conspired with the fundamentalist Iranian regime to keep 52 American hostages in Tehran until after the presidential election of 1980 — all but ensuring a loss for incumbent candidate Jimmy Carter.

This is the account provided by author Craig Unger, who has been following the "October Surprise" story since 1991, and during that time has been able accumulate evidence to confirm that yes, the October Surprise really happened. This almost unbelievable story is documented in his new book, "Den of Spies: Reagan, Carter, and the Secret History of the Treason That Stole the White House, " recently published by Harper Collins.

Craig joins Dave for a fascinating discussion of this complicated history, and its implications on American politics today.

Purchase: Den of Spies

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