The bell to start the next round of the escalating U.S. trade scuffle with China rang late last evening with news that the Trump administration is preparing a new list of $200 billion worth of imported goods from there, which it proposes to subject to a 10 percent tariff. The list will be published for public comment with the objective of having these new tariffs in place by the end of August. When that happens, the total value of Chinese goods hit by U.S. tariffs will have reached $250 billion. This will exceed the total value of all U.S. exports to China by roughly $100 billion. As has been the case so far, China has vowed to retaliate against the proposed tariffs in “appropriate fashion”. But after putting tariffs on the bala...