OPEC needs to 'wake-up' to shale revolution By: CNBC.com News November 25, 2014 at 03:20 AM EST The Organization of Petroleum-Exporting Countries (OPEC) is facing a "shale-tinged" reality and needs a "wake-up call," energy analysts warn. Read More >> Related Stocks: Citigroup iPath Dow Jones-Goldman Sachs Crude Oil Fund