Rattled by China's development of the Chunxiao gas field in the East China Sea, the government is setting up a task force to ensure Japan's vast ocean interests are protected. The task force comprising officials from various ministries and agencies will be in place this month and operate with a focus on Okinotorishima island, Japan's southernmost point. Located more than 1,600 kilometers south of the capital, the island is part of the Ogasawara chain and comes under the jurisdiction of Tokyo. Actually, the island is two tiny islets: but its location gives Japan a huge advantage. The exclusive economic zone...