With only three weeks of campaigning to go before Mexicans elect a new president, López Obrador – known in Mexico by his initials, AMLO – has moved into a statistical tie for first place with Peña Nieto. The political resurrection of AMLO has stunned observers, with the prospect of a leftist government being elected in Mexico now a real possibility.

Thousands of university students took to the streets of Mexico City Wednesday demanding greater freedom of speech in the country and protesting the PRI’s possible return to power. It was the third-largest student protest in less than a week, and it has prompted some journalists in the country to wonder if Mexico is going through a political transformation similar to the “Arab Spring."