i make a distinction between scientific truths and political truths, for example. We can reach a consensus whether or not greenhouse gases caused global warming,. Whether evolutionary theory is true or not. But if we're arguing about what's the right upper income brac tax bracket percentage? You know, it's 37%. Now should it be 27 %? Should it be 77 per cent? Well, there's no experiment we're going to run to figure out what's the right percentage. It depends on the goals of t society. In order to have a diverse class discussions, we need people from all walks of life with different points of view. And yet that sort of thing is allowed to pass because saying