Homes cover a hill in the Petare neighborhood of Caracas, Venezuela, Friday, Oct. 5, 2012. The last time he ran for re-election, President Hugo Chavez won comfortably in Petare, one of Latin America's biggest slums with nearly half a million people. This time around, as Venezuelans vote Sunday, he may not. The neighborhood is divided, owing in some degree to mismanagement by pro-Chavez mayors and governors who were voted out of office in 2008 and 2010, respectively. (AP Photo/Rodrigo Abd)

Associated Press
Homes cover a hill in the Petare neighborhood of Caracas, Venezuela, Friday, Oct. 5, 2012. The last time he ran for re-election, President Hugo Chavez won comfortably in Petare, one of Latin America's biggest slums with nearly half a million people. This time around, as Venezuelans vote Sunday, he may not. The neighborhood is divided, owing in some degree to mismanagement by pro-Chavez mayors and governors who were voted out of office in 2008 and 2010, respectively.  (AP Photo/Rodrigo Abd)
Homes cover a hill in the Petare neighborhood of Caracas, Venezuela, Friday, Oct. 5, 2012. The last time he ran for re-election, President Hugo Chavez won comfortably in Petare, one of Latin America's biggest slums with nearly half a million people. This time around, as Venezuelans vote Sunday, he may not. The neighborhood is divided, owing in some degree to mismanagement by pro-Chavez mayors and governors who were voted out of office in 2008 and 2010, respectively. (AP Photo/Rodrigo Abd)
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