Fidel Castro

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Former Cuban leader Fidel Castro casts his ballot at a polling station during parliamentary elections in Havana on Sunday, Feb. 3, 2013. Castro, who appears in public only occasionally, was among more than 8 million islanders eligible to vote and approve 612 members of the National Assembly and more than 1,600 provincial delegates. (AP Photo/Ismael Francisco, Cubadebate)

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This picture released by Cubadebate on its website early Monday, Oct. 22, 2012, shows Cuban leader Fidel Castro in Havana, Cuba, on Sunday, Oct. 21, 2012. Castro has written an article on Sunday in state-media criticizing those who spread rumors he was on his death bed. (AP Photo/Alex Castro, Cubadebate)

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Under a picture of Cuba's leader Fidel Castro, a Cuban schoolgirl raises her hand confirming a voter is casting his ballot properly during municipal elections in Havana Sunday Oct. 21, 2012. Cuban school children known as "pioneros" are in all polling stations during elections overseeing the process. A top executive of the Hotel Nacional told the AP Sunday 86-year-old Fidel Castro appeared in public for the first time in months at the hotel Saturday challenging persistent rumors that the aging revolutionary is near death. (AP Photo/Franklin Reyes)

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Santiago Gonzalez Guerra, center, a member of the Electoral Board, casts Cuba's leader Fidel Castro's ballot in his name in Havana, Sunday Oct. 21, 2012. Cubans are going to the polls Sunday to vote in municipal elections. (AP Photo/Ismael Francisco/Cubadebate)

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Former Cuban leader Fidel Castro speaks during a meeting with intellectuals and writers at the International Book Fair in Havana on Sunday, Feb. 10, 2012. (AP Photo/Cubadebate, Roberto Chile)

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** FILE ** In this file photo from July 26, 2012, Raul Castro speaks in Guantanamo on Revolution Day, the anniversary of the July 26, 1953, rebel attack on a military barracks led by Fidel and Raul Castro that is considered the beginning of the Cuban revolution. (Associated Press)