The question for today is: to what extent has the GM revolution in corn and soybeans resulted in yield increases?John Baize had an interesting piece last week on the dramatic growth in world demand for soybeans, led of course by China. The rise in soybean production has been equally impressive, driven primarily by dramatic increases in planted acreage in Brazil. Mr. Baize talked about what will have to happen in acres and yields to keep up with the anticipated demand growth. The expansion in soybean demand has been the lead story for some time, but demand for feed grains and wheat also continues to grow. It should also be noted that world consumption has risen steadily despite the economic or political environments. We suspect that will con...