Nigeria, July 21 -- In one of those banana republics in South America, . or was it a petrodollar state in Africa? I am not certain which it was, now. Truth, though is, what does it matter? The story is probably apocryphal, anyway. But one day, according to the one from whom I heard it told at a point-and-kill joint somewhere on Lagos Island, the head of a leading manufacturing company in that country approached that of a top bank to ask that the latter intervene on her company's behalf with the head of the country's central bank. The penalty for falling foul of the monetary authorities a couple of years back, was that the manufacturer had been kicked out of the official market for foreign exchange. With a large company of external investo...