The decline in oil prices may be depriving Russian President Vladimir Putin of his biggest ally. Oil has been the key to Putin’s grip on power since he took over from Boris Yeltsin in 2000, fueling a booming economy that grew 7 percent on average from 2000 to 2008. Now, with economic growth slipping close to zero, Russia is reeling from sanctions by the U.S. and the European Union over its land grab in Ukraine, and from a ruble at a record low. Putin, whose popularity has been more than 80 percent in polls since the annexation of the Crimean Peninsula in March, may have less money to raise state pensions and wages, while companies hit by the sanctions also seek state aid to maintain spending. “His ratings remain high but for a person conducting such a risky policy, Putin has to understand the limits of patience for the […]