Everything you always wanted to know about CDOs in 6 minutes

What are CDOs (collateralized debt obligations), anyway? Paddy Hirsch of Marketplace explains how financial institutions used them to build the house of cards that came tumbling down five years ago and plunged the world into the worst economic crisis since the Great Depression.

Source: http://www.marketplace.org/topics/business/whiteboard/crisis-explainer-uncorking-cdos