This video takes a few minutes to watch, but it's worth every minute. It's a good documentation of how this subprime lending mess was transformed from a small government program into the cancer we now have in our banking system. Be prepared to use your pause button so you can make notes on the different websites and sources noted as references.
YouTube - Burning Down The House: What Caused Our Economic Crisis?
YouTube - Burning Down The House: What Caused Our Economic Crisis?