Move by group that includes Russia may bring modest relief to sky-high prices
                                
                                
                                    (Newser) -
                                    The OPEC oil cartel and allied countries including Russia will raise production by 648,000 barrels per day in July and August, offering modest relief for a global economy suffering from soaring energy prices and inflation. The decision Thursday steps up the pace by the alliance, known as OPEC Plus,...