President Donald Trump has instructed the U.S. Trade Representative, Robert Lighthizer, to look for ways to equalize tariffs on car imports between China and the U.S. The timing is unsurprising for three reasons. First, President Trump may want the extra leverage for negotiations with President Xi at the forthcoming summit. Second is that the section 232 review of the industry is due. While U.S. exports of cars to China fell 29.6% sequentially in the third quarter, U.S. imports fell 66.7% suggesting U.S. tariffs are more effective. Third is that General Motors has drawn the President&...