A collapse in U.S. stock prices certainly would cause a lot of white knuckles on Wall Street. But what effect would it have on the broader U.S. economy? If Wall Street crashes, does Main Street follow? Not necessarily.

If you are not happy with yourself, even the loftiest achievements won't bring you much satisfaction.

It's true that the Federal Reserve faces a lot of political pressure and is unpopular in many circles.

If current trends continue, the typical U.S. worker will be considerably more productive several decades from now. Thus, one might argue that letting future generations bear the burden of population aging is appropriate, as they will likely be richer than we are even taking that burden into account.

I'd throw dollars out of helicopters if I had to, to stimulate the economy.

I generally leave the details of fiscal programs to the Administration and Congress. That's really their area of authority and responsibility, and I don't think it's appropriate for me to second guess.

The U.S. government has a technology, called a printing press (or, today, its electronic equivalent), that allows it to produce as many U.S. dollars as it wishes at essentially no cost.