Nasdaq: What should we fear most? 'Events dear boy, events,' was British Prime Minister Harold Macmillan's answer. This rings true when surveying the VW debacle . The company's cheating on emissions tests has instantly crashed its reputation and, to some extent, that of an industry and entire country. Investors have been reminded that risk and opportunity are, by definition, uncertain. Climate change risks stretch beyond the familiar areas of utilities and fossil fuel producers. Cutting corners to avoid...