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President Barack Obama (left) and Russian President Valdimir Putin toast during a luncheon hosted by United Nations Secretary-General Ban Ki-moon during the 70th annual UN General Assembly on September 28, 2015, in New York City.
President Barack Obama (left) and Russian President Valdimir Putin toast during a luncheon hosted by United Nations Secretary-General Ban Ki-moon during the 70th annual UN General Assembly on September 28, 2015, in New York City.

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Obama, Putin meet amid rising tensions

Russian President Vladimir Putin and U.S. President Barack Obama spar over how best to handle the Syrian war. CNN's Jim Acosta reports.

Obama, Putin meet amid rising tensions

Russian President Vladimir Putin and U.S. President Barack Obama spar over how best to handle the Syrian war. CNN's Jim Acosta reports.