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The Call: The third anniversary of the crisis in Syria

This coming Saturday marks the third anniversary of the crisis in Syria. And too often forgotten are the conflict's most vulnerable victims: children.

Displaced Syrian children attend school in a makeshift classroom in the Azaz camp for displaced people, north of Aleppo province, Syria, on Feb. 20, 2013.
Displaced Syrian children attend school in a makeshift classroom in the Azaz camp for displaced people, north of Aleppo province, Syria, on Feb. 20, 2013.AP

Ronan Farrow