A Crude Warning to Diversify?
āā¦Oilā¦Black Gold. Texas Tea.ā ā maybe youāll remember the TV show that included that line in its opening credits. Back in the monochrome 1960s when āThe Beverly Hillbilliesā 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 Baronās Ball in āDallasā. For most of the last century, the very mention of oil in