A woman walks outside the TNK-BP headquarters in Moscow, Russia, Thursday, Oct. 18, 2012. Russia on Thursday downplayed concerns that Rosneft's possible purchase of BP's stake in the jo

 

              A woman walks outside the TNK-BP headquarters in Moscow, Russia, Thursday, Oct. 18, 2012. Russia on Thursday downplayed concerns that Rosneft
A woman walks outside the TNK-BP headquarters in Moscow, Russia, Thursday, Oct. 18, 2012. Russia on Thursday downplayed concerns that Rosneft's possible purchase of BP's stake in the joint venture TNK-BP, which analysts say would reshape the country's oil industry and create the world's biggest oil and gas company, is likely to threaten competition. (AP Photo/Mikhail Metzel)