The United States is not doing enough to promote free trade and the elimination of trade barriers around the world. In fact, it’s doing just the opposite and imposing barriers on billions of dollars’ worth of imports. As a result, new trade restrictions implemented by World Trade Organization member countries have reached historic highs. Over the last two review periods, new trade restrictions totaled $588.3 billion and $339.5 billion, respectively. For the previous two periods, new trade restrictions totaled roughly $100 billion or less. The latest figures present a worrisome and unpredictable climate that is harming the overall health of...