Tansa is pioneering a new model for investigative journalism in Japan

On paper, Japan seems to have a thriving journalism sector. The world’s third-largest economy also is home to several of the most widely circulated newspapers in the world, such as the Yomiuri Shimbun, which, with 6.2 million subscribers, the highest paid circulation of any independent media outlet in the world, and the Asahi Shimbun, with...