Angry Teachers Paralyze Mexico City Protesting Education Reform

FILE - In this Aug. 22, 2013 file photo, police guard the entrance to the Senate chambers in front of a sign that reads in Spanish, "Total rejection of education reform," in Mexico City. Mexico's top-division soccer league announced Tuesday night, Aug. 27, 2013, the postponement of two weekend soccer matches at the request of the Mexico City government. The city normally sends hundreds of police to soccer matches to ward off fan violence. The city interior secretary says the police are needed to provide security at protests planned by striking teachers over the weekend, and the president's state-of-the-nation address Sunday. (AP Photo/Marco Ugarte, File) (A2013)

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) (AP2013)

Passengers walk to the airport, past a demonstration of teachers, who blocked the road to the Benito Juarez International Airport in Mexico City, Friday, Aug. 23, 2013. Thousands of striking teachers strangled traffic and also blocked access to Mexico City's international airport on Friday, flexing their muscles in a bid to block educational reforms intended to introduce teacher evaluations and reduce union power over hiring decisions. (AP Photo/Eduardo Verdugo) (AP2013)

Teachers protest near the Benito Juarez International Airport in Mexico City, Friday, Aug. 23, 2013. Thousands of striking teachers strangled traffic and blocked access to Mexico City's international airport on Friday, flexing their muscles in a bid to block educational reforms intended to introduce teacher evaluations and reduce union power over hiring decisions. (AP Photo/Eduardo Verdugo) (AP2013)

Teachers camp at the Zocalo, Mexico City's main plaza, in protest against the government's educational reform, Thursday, Aug. 22, 2013. Hundreds of teachers are blocking the entrances to the Congress and Senate to prevent federal lawmakers from debating and voting on a set of rules to apply a recently approved overhaul of the education system. The most controversial piece of the reform would create a professional system for hiring, evaluating and promoting teachers without the "discretionary criteria" currently used in a system where teaching positions are often bought or inherited. (AP Photo/Marco Ugarte) (AP2013)

A patchwork of tent tops are spread across Mexico City's main plaza, the Zocalo, where protesting teachers have erected a vast tent encampment, Friday Aug. 23, 2013. Thousands of striking teachers strangled traffic and also blocked access to Mexico City's international airport on Friday, flexing their muscles in a bid to block educational reforms intended to introduce teacher evaluations and reduce union power over hiring decisions. (AP Photo/Gabriela Sanchez) (AP2013)

Public school teachers march to Los Pinos presidential residence as they block vehicular access to Paseo de la Reforma, a main artery in Mexico City, Wednesday, Aug. 28, 2013. 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)

Public school teachers block the entrance to Senate chambers, in Mexico City, Tuesday, Aug. 20, 2013. The protesting teachers oppose Mexico's educational reform signed into law earlier this year. The most controversial piece of the reform would create a professional system for hiring, evaluating and promoting teachers without the "discretionary criteria" currently used in a system where teaching positions are often bought or inherited. (AP Photo/Eduardo Verdugo)