Russia's President Vladimir Putin (R) and ExxonMobil Chairman and CEO Rex Tillerson (L) attend at the ceremony of the signing of an agreement between state-controlled Russian oil company Rosneft and ExxonMobil in the Black Sea port of Tuapse on June 15, 2012. AFP PHOTO/ RIA-NOVOSTI/POOL/MIKHAIL KLIMENTYEV (Photo credit should read MIKHAIL KLIMENTYEV/AFP/Getty Images)
