For only the second time in history a U.S. farm bill and a major trade negotiation are scheduled to conclude at essentially the same time, a little more than a year from now. American agriculture has much at stake in both, not only as to content but also as to how they mesh together. The fundamental purpose of farm legislation is to help producers manage risk, but our track record in doing that efficiently and effectively is at best mixed. Our traditional commodity programs have changed relatively little over the past 75 years, even though U.S. farm operations have changed dramatically. U.S. agriculture in 2005 hardly resembles production agriculture of the 1930s, when these programs began. And there are far more risk management mecha...