Russian President Dmitry Medvedev, right, meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, right, meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, right, meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, center, meeting with British Prime Minister Gordon Brown, left, on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, right, meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, center, meeting with British Prime Minister Gordon Brown, left, on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, center, meeting with British Prime Minister Gordon Brown, left, on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev during his meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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Russian President Dmitry Medvedev, right, meeting with British Prime Minister Gordon Brown on the sidelines of a G20 summit at the prime minister's official residence in London, April 1, 2009.

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