When the United Arab Emirates announced that it would, on May 1, exit OPEC after 59 years of membership, the official language was diplomatic and measured. The UAE 's Energy Ministry said the decision followed "a comprehensive review of its production policy and capacity" and reflected the country's "national interest." Energy Minister Suhail Al Mazrouei went further, insisting the move had nothing to do with tensions within the cartel. "This has nothing to do with any of our brothers or