OPEC is grappling with one of its worst crises in 65 years, from a global energy crunch to the UAE’s shock plan to quit the bloc. Yet at its Vienna HQ, the focus is on data, reports Al Jazeera's Step Vaessen. 🔴 LIVE updates: https://t.co/hikHRGNZAJ https://t.co/6kLhyB98ux