Last 12 months dozens of nations proposed or launched new tariffs on metal imports. Most aimed the measures at China, which they accused of flooding worldwide markets with low-cost metallic. On February ninth Donald Trump took a distinct method: he picked up a scattergun as an alternative of a sniper’s rifle. Because the president flew to the Tremendous Bowl, he informed reporters that he would announce new tariffs of 25% on aluminium and metal imports. On February tenth the levies duly arrived.