Reuters | Saudi king heads to Russia, with oil, investment and Syria on agenda Reuters RIYADH/MOSCOW (Reuters) - The leaders of Saudi Arabia and Russia, the world's biggest oil exporters, are expected to discuss cooperation on oil production and differences over Syria and Iran on Thursday during the first visit to Moscow by a reigning ... 'The new OPEC bromance': How Saudi Arabia and Russia are bonding over oil Oil Markets Fear An OPEC Compliance Collapse UBS Says Giving Up on Oil Pact 'Not an Option' for Saudi, Russia |