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Russia's Prime Minister Vladimir Putin (R) walks with former US President Bill Clinton at the State residence of the Russian President Novo-Ogaryovo outside Moscow on June 29, 2010. Russia bristled at US claims that it had smashed a Cold War-style Russian spy ring as former KGB spy and Prime Minister of Russia Vladimir Putin expressed hope the scandal would not damage improving bilateral relations. AFP PHOTO / RIA NOVOSTI/ POOL / ALEXEY DRUZHININ (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)

Russia's Prime Minister Vladimir Putin (R) walks with former US President Bill Clinton at the State residence of the Russian President Novo-Ogaryovo outside Moscow on June 29, 2010. Russia bristled at US claims that it had smashed a Cold War-style Russian spy ring as former KGB spy and Prime Minister of Russia Vladimir Putin expressed hope the scandal would not damage improving bilateral relations. AFP PHOTO / RIA NOVOSTI/ POOL / ALEXEY DRUZHININ (Photo credit should read ALEXEY DRUZHININ/AFP/Getty Images)