Mission accomplished in Syria. So says the president of the United States. Moscow wasting no time since Vladimir Putin's Tuesday deal with his Turkish counterpart. Russian military police moving in with joint patrols - like here in the ethnically-mixed Syrian city of Qamishli. All sides agreeing to Ankara's 32-kilometer buffer zone. Putin struck his deal with Erdogan in Sochi just as he was getting set to host the biggest Africa summit on Russian soil since the fall of the Soviet Union, 43 leaders from around the continent.

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