On the eve of June 30, Hong Kong was officially passed back to China. This event will mark what Willem van Kemenade sees as the start of an increasingly problematic -- and even dangerous -- reintegration of the old Chinese empire into a new world superpower. Since the early 1980s, investment money has been pouring into China from Hong Kong and trade has escalated at a rocket's pace. A few years later, the same pattern began between China and Taiwan. The combination of Hong Kong/Taiwan management, financial and export know-how with China's inexhaustible pool of cheap labor and land has enabled...