Agreed, Carl. Where does it end for limitless growth proponents like Ms Chavez? Do we finally stop immigration when we hit a billion prople by 2100? What will the quality of life be in our teeming, uninhabitable cities of 20+ million? Obviously we will be a third world country well before then or we will break into several different countries. Maybe educated people are having fewer children because they do not see a good future for them.