Have U.S. sanctions put Exxon's Arctic Circle plans in a deep freeze? By: Dallas Business Journal via Business Journals September 12, 2014 at 14:31 PM EDT Tensions between Russia and the United States could put Exxon Mobil Corps’ plans to drill in the Arctic Circle on ice... Read More >> Related Stocks: Exxon Mobil iPath Dow Jones-Goldman Sachs Crude Oil Fund