Mexican riot police fire tear gas, water cannons on striking teachers

cbsnews.com MEXICO CITY - Riot police swept thousands of striking teachers out of the heart of Mexico City on Friday, driving protesters through the streets with tear gas and water cannons in a swift end to the weeks-long occupation of the Zocalo plaza over reforms to the dysfunctional national education system. It was a dramatic reassertion of state authority after weeks of near-constant disruption in the center of one of the world's largest cities. The teachers have marched through the capital at least 15 times over the last two months, decrying President Enrique Pena Nieto's plan to break union control of education with a new system of standardized teacher testing that become law on Tuesday. to read more click here: cbsnews.com