For those interested in these sorts of things (and really, even for those who aren't), I really think that you should spend 2 hours of your time and listen to these two shows on my favorite radio program This American Life. They are definitely worth your time. You will come away with a much deeper understanding of the financial crisis, delivered in an easy-to-understand-an-extremely-complex issue kind of way.
The Giant Pool of Money
and the follow-up:
Another Frightening Show About the Economy
If you've heard these, or after you listen to them, post here with your comments & thoughts... I have lots of my own that I will post separately if they don't come out here.