One of our favorite interviews of 2025: Craig Unger talks about his best-selling book "Den of Spies: Reagan, Carter and the Secret History of the Treason that Stole the White House." Unger contends that there were people associated with Ronald Reagan's presidential campaign who worked behind the scenes to delay the release of the American hostages held in Iran - in the hopes that such a delay would help ensure Reagan's victory over incumbent president Jimmy Carter.