In Latin America, incumbents increasingly dominate

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FILE - In this Nov. 30, 2007 file photo, Venezuela's President Hugo Chavez arrives to a rally in support of changes to the nation's constitution in Caracas, Venezuela. After four election wins, Chavez is on track to completing at least 20 years in power. (AP Photo/Rodrigo Abd, File)After four election wins, Venezuelan President Hugo Chavez is on track to completing at least 20 years in power, and supporters such as street bookseller Cristina Tovar say they're glad to have him in charge.