 I think the Sustainable Development Goals are important as norm setting, setting standards to which everybody should aspire, to which everybody should adhere. These Sustainable Development Goals in some ways are even more important because they apply not just to developing countries, but to the developed countries. One of the important points of the SDGs is to say, no, there's a much broader agenda out there. GDP is not an end in itself, it's a means to an end. And if GDP goes up, and most people with standard living goes down, something is wrong, our economy is not performing. That sense, I've been saying very explicitly, the American economy is a failure because for a majority, a vast majority, there have been no increases in standard living. The idea that there have been so many goals and so many targets has been criticized because it detracts from a sense of focus. I'm not so concerned the SDGs are meant not just for governments, very clearly they're meant for our society as a whole. Each corporation can say, well, here's a list of things that we ought to be thinking about. Some corporations, almost all corporations ought to be thinking about the environmental goals. They also ought to be thinking, are they treating their workers fairly? There were many other goals that other people wanted to put into the list. The fact that so many people wanted to have what they were worrying about on this list is testimony to the potential influence of these goals because it will play an important role in norm setting in both the developing and the developed world.