Trump Has Already Started Four Trade Wars—and Counting

It’s been months since the Trump administration first started threatening massive tariffs against a number of countries. First it was the on all aluminum and steel exported to the United States. Then it was the separate threat against China specifically, expected to affect billions’ worth of Chinese exports of a list of goods including flat-screen televisions.And then, in recent weeks, those threats started to materialize into real policies costing real money. After granting some exemptions for allies, Trump let the aluminum tariffs go into effect on the European Union, Mexico, and Canada at the beginning of last month. But the ones that just landed on China are the biggest yet by value—and there may