Chinese Frenemy Donald Trump once again has caused consternation, which this time is over his characterization of China’s trade policy. Until now, he has faulted Beijing for “one-sided” and unfair trade practices. He has accused the Chinese of being currency manipulators and evil-doers of other things. Now on his official visit to the Middle Kingdom, he declares that “I don’t blame China” for taking advantage of flaws in U.S. policy. In fact, he says he has “great respect” for Chinese President Xi Jinping, and his administration has skipped opportunities to designate China as a currency manipulator. In truth, there was overstatement in each direction prior to and following Mr. Trump’s...