America’s trade war with China is back on. But where it is headed, no one knows. Just after midnight on July 6, the United States began collecting 25 percent tariffs on $34 billion in imports from China. Beijing immediately retaliated with similar duties on U.S. exports. President Donald Trump has already ordered tariffs on another $16 billion in Chinese exports for later this summer, after the comment period on the American list closes, and China will retaliate again. Assuming that happens as planned, the Trump administration will have levied tariffs on over $100 billion in imports into the United States. […]