President Trump is accused of not knowing the facts and not even caring that he doesn’t know them. The same could be said of his political opponents. China’s agriculture ministry announced that it would be reducing the number of small-scale slaughterhouses in order to improve prevention and control of African swine fever. Beijing is paying larger subsidies to entities building larger scale operations. Republicans in the U.S. are usually supported by large scale farmers and agribusiness, while Democrats tend to listen to populist farm organizations that are opposed to Big Ag in all its forms. As a result, six of the Democrats running against Mr. Trump pledge to strength anti-trust enforcement and candidates Elizabeth Warren and...