It is too bad that society does not support a robust system of prediction markets on everything that would be interested in knowing the truth about. I think the

It is too bad that society does not support a robust system of prediction markets on everything that would be interested in knowing the truth about. I think the excuse is that it is too much like gambling. I would say there would definitely be some gambling going on in such markets, but we already allow them for much the more mundane reason of predicting the future time-discounted profits of a business. The whole country participates and has a good deal of its wealth tied up in them (ie. stock markets).