Japan’s new central bank boss has called for patience — a quality that seems to have deserted close followers of the world’s third-largest economy. Instead of being wedded to the idea that the first new boss in 10 years means a big shift in the price of money, interest-rate hawks would be well advised to absorb the overall message Bank of Japan Governor Kazuo Ueda is sending: policy isn’t going anywhere quickly. Particularly outside Japan, many are still committed to the narrative — which...