"US President Barack Obama (R) listens to Russian President Vladimir Putin after their bilateral meeting in Los Cabos, Mexico on June 18, 2012 on the sidelines of the G20 summit. Obama and President Vladimir Putin met Monday, for the first time since the Russian leader's return to the presidency, for talks overshadowed by a row over Syria. The closely watched meeting opened half-an-hour late on the sidelines of the G20 summit of developed and developing nations, as the US leader sought to preserve his ""reset"" of ties with Moscow despite building disagreements. AFP PHOTO/Jewel Samad        (Photo credit should read JEWEL SAMAD/AFP/Getty Images)"
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