This is the best(truest)explanation of what happened on/to Wall St. I've read to date. The quote?
"“In physics there may one day be a Theory of Everything; in finance and the social sciences, you’re lucky if there is a useable theory of anything.”"
"We must go beyond textbooks, go out into the bypaths and untrodden depths of the wilderness and travel and explore and tell the world the glories of our journey." - John Hope Franklin