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This is CBS Eye on the World. Here's John Batchelor.

This is CBSI on the world. I'm Johnor. Continuing with my colleague and friend Craig Unger,

his new book, Den of Spies, Reagan, Carter, and the Secret History of the Treason that stole the White House. Bob Perry finds a treasure trove and immediately begins to answer questions about

there's Bill Casey, and over here is the allegation.

In between is a network, and we'll touch on some of this network

because it begins to explain how this was put together.

Casey's a genius.

The right hand doesn't know what the left hand is doing,

is a simple version of him. At the same time, he's a genius. The right hand doesn't know what the left hand is doing, is a simple version of him.

At the same time, he's described by people who saw him in action as frantic, always behind. I think of him as Alice's rabbit. He's always running to something else and doesn't disclose anything. He has

allies and friends, people who admire him. Importantly,

is John Shaheen. Importantly is a safari club. Importantly is that all of these men and their

colleagues have connections to arms dealers, to money laundering, to international intrigue, to men who change their biographies

...