In this undated image released by Mexico's Federal Electoral Institute, IFE, the presidential candidates pose for a photo prior to the start of Mexico's second and last presidential debate in Guadalajara, Mexico, Sunday, June 10, 2012. From left is, Andres Manuel Lopez Obrador, presidential candidate for the Democratic Revolution Party (PRD), Gabriel Quadri, Presidential candidate for the New Alliance party (PANAL), journalist Javier Solorzano, moderator of the second presidential debate, Leonardo Valdez, president of Mexico's Federal Electoral Institute, IFE, Josefina Vazquez Mota, presidential candidate for the National Action Party (PAN) and Enrique Pena Nieto, presidential candidate for the Revolutionary Institutional Party (PRI).  (AP Photo/IFE) Photo: Uncredited, Associated Press / AP2012
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