Public school teachers march along Paseo de la Reforma, a main artery in the capital, to Los Pinos presidential residence in Mexico City, Wednesday, Aug. 28, 2013. The sign reads in Spanish "Mexico ... more 
Public school teachers march along Paseo de la Reforma, a main artery in the capital, to Los Pinos presidential residence in Mexico City, Wednesday, Aug. 28, 2013. The sign reads in Spanish "Mexico has no president." Educators protesting a government reform program have in the span of a week disrupted international air travel, forced the cancellation of two major soccer matches, rerouted the planned route of the marathon and snarled already traffic-choked freeways. (AP Photo/Eduardo Verdugo) less 
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Associated Press | Photo By Eduardo Verdugo
Wed, Aug 28, 2013 6:41 PM EDT