The grain trade returned to work last night with the strong possibility that the much-anticipated trade deal with China might not happen. This was based on President Trump’s weekend tweet that he will increase tariffs on Chinese imports from 10 percent to 25 percent. This sent grain and oilseed markets as well as equity markets crashing lower. No one knows for certain what happened during the negotiations late last week to sour the brew. It was widely speculated today that China had backtracked on some previous concessions, including those that would require changes in its laws. President Trump, likely on the advice of his trade team, decided to fire a warning shot across the bow. The selling panic that seemed close last night and e...