U.S. government subsidies pushed down world cotton prices in the early 2000s, the United States lost an international trade dispute over those payments. Dan Sumner says the new Farm Bill could re-open that dispute.

21世纪初美国政府的补贴使得世界棉花价格下跌，美国就补贴问题在国际贸易争端上失败。丹·萨摩说新的农业法案会使这类争议再次出现。