A Crude Warning to Diversify?
ââŠOilâŠBlack Gold. Texas Tea.â â maybe youâll remember the TV show that included that line in its opening credits. Back in the monochrome 1960s when âThe Beverly Hillbilliesâ was made, the world seemed a much simpler place: find oil, make millions, never need to worry again. Even twenty years later, we were still being enthralled by all the scheming and back-biting at the Oil Baronâs Ball in âDallasâ. For most of the last century, the very mention of oil in