A demonstrator holds a placard next a bus which displays an advertisement of Nieto in downtown Monterrey

 
A demonstrator holds a placard next a bus which displays an advertisement of Nieto in downtown Monterrey
A demonstrator holds a placard next a bus which displays an advertisement of Enrique Pena Nieto, presidential candidate of the opposition Institutional Revolutionary Party (PRI) during a protest against him and media censorship in the electoral campaign before the July 1 presidential elections in downtown Monterrey May 19, 2012. According to surveys, Pena Nieto is hot favorite to win the presidency. The placard reads, "They have reason, we want to divide the country in before and after." REUTERS/Daniel Becerril (MEXICO - Tags: POLITICS ELECTIONS CIVIL UNREST)