"When one of Australia’s top mining firms, Rio Tinto, refused to allow China’s Chinalco to double its ownership interest last year (to 18%), China arrested local CEO (and Australian citizen) Stern Hu and three managers, who remain in jail today, under espionage charges. China denies any connection. In politics, thought, and business, China remains a police state."<p>I think any CEO should be concerned about his and his employees' safety in light of this kind of thing.