Financial regulations are the raw vegetables of today's energy trading business. Few would argue with their general virtue, but almost no one thinks they are very appealing.Arousing interest in subjects like the definition of a swap as defined by the Commodity Futures Trading Commission this week is a challenge, despite the broadly understood importance of the ruling.The Dodd-Frank rule was intended to make the financial sector more secure in the wake of Lehman Brother's failure and the massive bailout of Wall Street banks that followed. In part because the regulation was written at a time ...