One area in which Trump can be nailed down is his overall view of trade. As I explained at Conservative Review, when it comes to Trump’s own financial dealings, he is an unrepentant globalist, from which he has made a fortune. But these days, as he runs for president, the billionaire is a radical protectionist who has repeatedly declared his intention to impose massive tariffs aimed at the economies of other countries, such as Japan and Mexico, and a forty-five percent tariff on products from China. Such broad tariffs would most certainly result in retaliation by the targeted countries. This...