When asked what we thought about the news that News Corp, or rather Rupert Murdoch, was buying BSkyB, we did a double take. Of course he already controls it, but we sometimes forget he holds less than 40% of the stock, the rest held publicly through the UK stock market. It’s a hangover from the early days of satellite broadcasting in the UK, when he merged his operation Sky with British Satellite Broadcasting back in 1990 when neither were making money. The dilution of his holding has long been an irritant, and he would have paid more in cash and held better control, had his empire not been stretched elsewhere, for instance establishing the Fox Network in the US. Given…