Australian economist Steve Keen is one of the very few who have called this economic crisis correctly. What distinguishes Keen is that his economic forecasts are based on levels of debt and changes in levels of debt as opposed to money supply, output capacity and other things that led most economists astray.
The following video is about 19 minutes long but very much worth listening to in entirety, improving as it goes along. The video may take a while to load but it's well worth it. Everything below in quotes, until the next bold title is a partial transcript from the video.