Commentary Japan’s annual Defense White Paper normally gets a few days of attention and then fades away. Any changes from the previous year are usually marginal. And the language is generally veiled and toned down, so as not to offend anyone in Japan or elsewhere—except maybe the North Koreans whose missiles and nukes have been a “grave and imminent threat” for a long while. This year’s Defense White Paper was different. And, for once, you could tell the book by its cover. Rather than the usual designs that are about as martial as a Hello Kitty doll, the cover image was a samurai warrior on horseback. The report also had unusually direct language. Even more than the actual text, the introduction—said to have been written (or at least dictated) by Defense Minister Nobuo Kishi himself—is what got one’s attention. The introduction lays out a detailed bill of particulars on Chinese …