I think the subprime crisis is already (academically speaking) pretty contained. The entire subprime mortgage economy is way less that 1% of the US economy.
The more I hear about the Federal Reserve and Wall Street, the less I
trust. It seems that investors are looking for signs in the tea leaves instead of looking at the actual economy. Any rumbling from the Fed is like the words of the great and powerful Oz. People anaylze Bernanke's speeches, and if there's an inkling of evidence that a rate cut is coming, the markets bound up.
I would venture to say that the stock markets are higher right now than they really have a reason to be by about 2,000 points.
The fact of the matter is that Americans are spending a lot more than they are earning. Second mortgages and ARMs fund this spending that people can't afford. Any politician, Bernanke included, who suggests that saving is important would be labeled as destroying our strong market economy. But if people saved, our currency would be worth more, we could invest more wisely and more people wouldn't rely as much on the government for help.