The political establishment in Washington is stunned following yesterday's rout by Donald Trump and the Republicans. The Democrats’ arch nemesis not only survived everything they threw at him, but he also took an increasing share of the minority voting block that they claimed as their own. It was an election for the ages and will be studied as an unforeseen watershed. Understanding its impacts on agriculture and trade will be WPI’s focus. The largest impact will be Mr. Trump’s pledge to impose large, broad-based tariffs on trading partners. A USDA study found that retaliatory tariffs lowered U.S. agricultural exports by $27 billion from mid-2018 when tariffs were initially imposed through the end of 2019. But the adverse impacts contin...