Why the US hasn't gone after Russia's Gazprom By: CNBC.com News May 02, 2014 at 10:53 AM EDT The U.S. hasn't sanctioned the Russian natural gas giant, but there's a good reason for that, according to Oilprice.com. Read More >> Related Stocks: Oao Gazprom ADR iPath Dow Jones-Goldman Sachs Crude Oil Fund