Russia's Prime Minister Vladimir Putin (L) speaks with ExxonMobil President and Chief Executive Officer Rex Tillerson during the signing of a Rosneft-ExxonMobil strategic partnership agreement in Sochi on August 30, 2011. Russia's oil champion Rosneft and US ExxonMobil clinched a global deal worth up to half-a-trillion dollars that will see the US supermajor take BP's place in pioneering Arctic exploration work. AFP PHOTO / RIA NOVOSTI / POOL / ALEXEY DRUZHININ (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)
Alexey Druzhinin / AFP/Getty Images