food policy analyst an economist has pointed out that international reserves are actually the best away keeping food reserves is actually the best way to make markets work because it gives countries the confidence to know that there's enough food out there so they don't have to close off their borders ok ronald you want to respond to that before we move on to one of the and again you're right there is no international police force to keep those markets open largely because the world trade organization. food was excluded from free trade rules of the world trade organization the doha round which is unfortunately collapsed was aiming at exactly that problem of trying to open up free trade in food and to guarantee it through the world trade organization and i would hope that we would move in that direction and that the people on the panel here would be in favor of pushing forward those negotiations in the future because then you would have rules that would apply and would certainly help stabilize markets well i mean that's a good point david if i go to you i think many of the problems and y