It has been 100 days since Mexico's president came into office. As a candidate, Enrique Pena Nieto pledged to bring down spiralling violence, to reform public schools and usher in a new era of prosperity for all Mexicans. Analysts say that while Pena Nieto has taken some measures, it is still unclear how far he is willing to go to reform Mexico's ingrained problems. Al Jazeera's Adam Raney reports from Mexico City.