Another thing, too, is that you mentioned that since the 1950s and 1960s our cities have been growing. It is going to take us that long, if not longer, to come back down.
So what we need is steady, consistent, fair policy that does not overly penalize any one group. If someone has made an investment that's outside where we want to go, we don't penalize that person. It is just that all marginal investments, all the next investments, are made in smart fashion.