THE Yamaguchi-Gumi, one of the world's largest and most ferocious gangs, is estimated to earn over $6 billion a year from drugs, protection, loan-sharking, real-estate rackets, and even, it is said, Japan’s stock exchange. This year, the organization's 100th, over 2,000 of its 23,400 members split away, leaving police nervous about what fallout might follow; a war between … [Read more...] about Why the yakuza are not illegal