[youtube]http://www.youtube.com/watch?v=Q0zEXdDO5JUOne bright spot in these pitch-black economic times has been the wealth of reporting projects aiming at explaining what caused the mess. Here's a great visualization of the credit-crunch that's putting a drag on the economy. And if you're still thirsty for more information, don't miss the still-essential pieces on the housing bubble done by This American Life, here and here.