Alan Greenspan on Why he Wrote That the Iraq War Was About Oil

I had an hour-long conversation with Alan Greenspan, the former Federal Reserve chairman. He was talking about the economy and his new memoir, The Age of Turbulence: Adventures in a New World.

He talks about the presidents he has worked with -- from Richard M. Nixon, who made him feel uncomfortable, and Gerald R. Ford, who he liked. He talks about the years he worked alongside Dick Cheney and Donald Rumsfeld in the Ford administration.

His Libertarian stands are much in evidence, as he assesses security issue versus civil liberties issues.

And he explained why he wrote that the war is Iraq is about oil.

Here is part of what he said:

Watch the entire conversation tonight on PBS or see it tomorrow on the Charlie Rose website.