"I never knew the old man had so much blood in him!" cried poor Lady Macbeth. Ah yes, blood. While it may be thicker than water, it is thinner than oil. Oil, that black, viscous, smelly slime that boils up from the very bowels of the earth. How could anything so ugly be so precious. Well, old Mrs Sarah Jean Moffatt owns thousands, or maybe even millions of barrels of it, which is why we have a story...