Who could have predicted the situation in which the U.S. ag sector now finds itself with Mexico and China?As the saying goes, “Don’t judge a book by its cover.” This apparently applies to the trade policy book for the Trump administration. What is emerging in its first few months is not what was anticipated based on the Trump campaign. Two key examples are Mexico and China. The two were major targets of Trump’s rhetoric and policy prescriptions during that period. He maligned Mexico for circumventing NAFTA and chastised China for being a currency manipulator, promising to renegotiate the former and crack down on the latter. Pundits, politicians, business leaders and other observers predicted trade wars with both countries would result.Howev...