An interview with Paul Volcker:

This is an informed and interesting and well measured conversation, and it's well worth a listen.

http://calculatedrisk.blogspot.com/2008/10/charlie-rose-discussion-with-paul.html

You may wish to follow it up with this one.

http://video.aol.com/video-detail/nyus-roubini-sees-risk-of-severe-global-depression/1002794889