Wall Street Journal | How Iran, Russia Could Derail Oil-Production Deal Wall Street Journal VIENNA—Iran and Russia have emerged as potentially deal-breaking obstacles to cuts in global oil production as the Organization of the Petroleum Exporting Countries engages in a last-minute blitz of diplomacy ahead of a meeting on Wednesday. Oil price falls ahead of crunch Opec meeting – business live Oil prices fall over doubts of planned crude output cut Saudi energy minister Khalid al-Falih says oil market will balance without output cuts |