Police exchange smiles with a woman while standing guard on a street in Mexico City September 25, 2013. Groups of demonstrators interrupted traffic in different areas of Mexico City in protest against... more 
Police exchange smiles with a woman while standing guard on a street in Mexico City September 25, 2013. Groups of demonstrators interrupted traffic in different areas of Mexico City in protest against Mexican President Enrique Pena Nieto's education reforms, according to local media. REUTERS/Henry Romero (MEXICO - Tags: POLITICS EDUCATION CIVIL UNREST) less 
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Reuters | Photo By HENRY ROMERO / REUTERS
Wed, Sep 25, 2013 9:16 PM EDT