Nobody's denying that the world has improved. The relevant question is "where are we relative to where we could be, given all that we have to work with?" One an

Nobody's denying that the world has improved. The relevant question is "where are we relative to where we could be, given all that we have to work with?" One answer, in the opinion of many informed people, is that we (Americans) haven't done nearly as much with what we have as we could have potentially done.