Saudi Arabia is having a hard time convincing Russia to stay much longer in an OPEC-led pact cutting oil supply, and Moscow may agree only to a three-month extension, three sources familiar with the matter said. Russian Energy Minister Alexander Novak told his Saudi counterpart Khalid al-Falih when the two met in Baku this month that he cannot guarantee an extension to the end of 2019, the sources said. “Novak told Falih that he will extend in June but can only do it until the end of September as he is under too much pressure internally to end the cuts,” a source familiar with Russian oil policy said. The Organization of the Petroleum Exporting Countries, […]