FILE - In this July 14, 2012 file photo, Venezuela's President Hugo Chavez smiles at a campaign rally in Barquisimeto, Venezuela. When he takes the stage at campaign rallies, Chavez stands alone. Under Venezuela's election system, presidential hopefuls dont choose running mates. The lack of a No. 2 leaves voters with a big unknown ahead of next month's presidential election and raises question about who in fact would take over were Chavez to win and leave office prematurely. (AP Photo/Ariana Cubillos,File)
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