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US President Donald Trump and Russia's President Vladimir Putin hold a meeting on the sidelines of the G20 Summit in Hamburg, Germany, on July 7, 2017. / AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)
US President Donald Trump and Russia's President Vladimir Putin hold a meeting on the sidelines of the G20 Summit in Hamburg, Germany, on July 7, 2017. / AFP PHOTO / SAUL LOEB        (Photo credit should read SAUL LOEB/AFP/Getty Images)

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    Possible Trump-Putin meeting hangs over summit

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Possible Trump-Putin meeting hangs over summit

A possible meeting looms as President Donald Trump and Russian President Vladimir Putin both head to the Asia-Pacific Summit in Vietnam. CNN's Brian Todd has the details.

Possible Trump-Putin meeting hangs over summit

A possible meeting looms as President Donald Trump and Russian President Vladimir Putin both head to the Asia-Pacific Summit in Vietnam. CNN's Brian Todd has the details.