As diplomatic strains with China and South Korea worsen over territorial disputes, more and more Japanese are using the relative anonymity of cyberspace to vent their political spleens online. Enter “Net uyoku,” the people who freely post their ultranationalistic, xenophobic bluster online. Here is ...

The most recent territorial dispute over the Senkaku (Japanese name)/Diaoyutai (Chinese name) Islands, located southwest of Okinawa (or north of Taiwan if you prefer), was triggered on Sept. 7 when a Chinese trawler attempted to ram two Japanese Coast Guard vessels. The blurry details ...