As Microfinance continues to prove its non-correlation, everyone is still trying to understand how we got here.  To that end, Frontline just aired an excellent 1-hour documentary about the financial crisis:

http://www.pbs.org/wgbh/pages/frontline/story/2009/02/banking-at-the-brink.html

Not a ton of new information, if you follow the news like we do.  But, having everything put into a single narrative was helpful.