The mood inside the Organization of the Petroleum Exporting Countries (OPEC) is shifting from mistrust to a growing consensus that a decision must be reached on how to end the global oil price rout, Nigeria's oil minister told Reuters. Oil prices have slumped by more than 70 percent to near $30 a barrel over the past 18 months as OPEC, led by top producer Saudi Arabia, sought to drive higher-cost producers out of the market by refusing to cut production despite a supply glut. The price crash has crippled some economies that depend heavily on oil sales for income, such as Nigeria and Venezuela, and even Saudi Arabia ... (full story)