Andres Manuel Lopez Obrador, Mexican presidential candidate for the leftist coalition Progressive Movement. PEDRO PARDO / AFP/Getty Images
Andres Manuel Lopez Obrador, Mexican presidential candidate for the leftist coalition Progressive Movement. PEDRO PARDO / AFP/Getty Images
Josefina Vazquez Mota, presidential candidate for the National Action Party (PAN) in Mexico. ALFREDO ESTRELLA / AFP/Getty Images
Enrique Pena Nieto, candidate of Mexico's Institutional Revolutionary Party (PRI). He's consdered the front-frunner. MARIO VAZQUEZ / AFP/Getty Images