I have spent most of the past 15 years in the dark side of the rising sun. Until three years ago, I was a crime reporter for the Yomiuri Shimbun, Japan's largest newspaper, and covered a roster of characters that included serial killers who doubled as pet breeders, child pornographers who abducted junior high-school girls, and the John Gotti of Japan. I came to Japan in 1988 at age 19, spent most