The meeting in Vienna among the signatories of the JCPOA minus the US was conceived as the last best chance to save the historic accord. Many commentators thought it lacked the authority to provide a definitive outcome, not least because of the relatively junior level of delegations attending.
How OPEC has changed course, a recap of an article written in May 2019 illustrates the unpredictable odyssey of the oil market and the impact of geopolitical interests