Public school teachers protest near Mexico's Interior Ministry in Mexico City, Thursday, April 4, 2013. Radical Mexican public school teachers are holding marches and blocking roads to

 

              Public school teachers protest near Mexico
Public school teachers protest near Mexico's Interior Ministry in Mexico City, Thursday, April 4, 2013. Radical Mexican public school teachers are holding marches and blocking roads to battle a newly enacted education reform that would weaken union powers. (AP Photo/Alexandre Meneghini)