In a mere five years, Guyana went from its first major petroleum discovery to first oil. The former British colony is now pumping around 900,000 barrels per day, making it South America’s third-largest oil producer. Washington’s decision to intervene in Venezuela, snatching President Nicolas Maduro during a daring night raid, removed the only major threat to that world-class oil boom. You see, Maduro was threatening to annex the mineral-rich Essequibo, a region which not only makes up two-thirds of Guyana’s territory but contains…