The crisis is 30 years old, not three years old. The causes of the crisis should be tracked down in the real goods-producing economy, not in the financial markets. The financial markets were keep alive up to the collapse of the speculative bubble by credit-financed demand.
Some further thoughts on the OWS movement (tags)
I have been following the Occupy Wall Street developments with interest because ultimately I consider the only reasonable way entrenched elites become unseated is if there is mass action by citizens. I do not think military coups are a very sound way to lay the groundwork for grassroots