Three years <a href=" http://www.santuariodeicetacei.it/c/professionisti ">naprosyn 500mg generic wv</a> For several decades, a succession of Mexican presidents has pushed to improve the country’s glaringly inadequate public education system. To the fury of powerful unions, President Enrique Peña Nieto and legislators are fine tuning reforms that would, among other things, force teachers to pass exams to keep their jobs. Striking teachers have idled 2 million students in four Mexican states.