To understand just how contentious next week’s OPEC meeting will be, take a look at the confusion it’s created among professionals paid to predict the outcome. The 20 analysts surveyed this week by Bloomberg are perfectly divided, with half forecasting the Organization of Petroleum Exporting Countries will cut supply on Nov. 27 in Vienna to stem a plunge in prices while the other half expect no change. In the seven years since the surveys began, it’s the first time participants were evenly split. The only episode that created a similar debate was the OPEC meeting in late 2007, when crude was soaring to a record. The split now reflects the difficult choice OPEC nations have to make. They could cut output to revive crude prices from a four-year low, at the risk of losing more market share to rival suppliers, including U.S. shale drillers. Or they could do nothing […]