"A person holds up an image of Venezuela's President Hugo Chavez among religious images during a demonstration in support of him at the Simon Bolivar square in Caracas, Venezuela, Sunday Dec. 9, 2012. Chavez was heading back to Cuba on Sunday for more cancer surgery after announcing that the illness returned despite two previous operations, chemotherapy and radiation treatment.  Chavez said Saturday that if there are ""circumstances that prevent me from exercising the presidency further"" Vice-President Nicolas Maduro should replace him for the remainder of his term. (AP Photo/Fernando Llano)"
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