John Allison's discussion of the financial crisis is far and away the best that I have ever heard.
See his book talk here.
his book at amazon:
The Financial Crisis and the Free Market Cure
I will be rematching and reading his book, because I really have not heard anything that comes close to this book at describing our economic situation. Although the second half of the book talk was more free market ideology rather than describing why we are where we are economically