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Open Image ModalA woman casts her ballot for the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalA soldier wearing protective gear casts his ballot during the presidential election at a polling station in Caracas, Venezuela, Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
Nicolas Maduro(03 of30)
Open Image ModalVenezuela's acting President Nicolas Maduro stands surrounded by his family during his closing campaign rally in Caracas, Venezuela, Thursday April 11, 2013. Maduro, the hand-picked successor of Venezuela's late President Hugo Chavez, is running for president against opposition candidate Henrique Capriles on April 14. (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image Modal (credit:Alamy)
VENEZUELA-ELECTION-CAMPAGIN-MADURO(05 of30)
Open Image ModalA man walks by a political propaganda poster with a picture of Venezuelan opposition presidential candidate Henrique Capriles with a painted mustache, along a street at Petare slum in Caracas on April 13, 2013. Venezuela's government mobilized behind Hugo Chavez's image Saturday as the opposition complained that campaign rules were being ignored on the eve of a vote to choose a successor to the late leader.. AFP PHOTO/Raul ARBOLEDA (Photo credit should read RAUL ARBOLEDA/AFP/Getty Images) (credit:Getty Images)
Nicolas Maduro, Cilia Flores(06 of30)
Open Image ModalVenezuela's acting President Nicolas Maduro holds his wife Cilia Flores during his closing campaign rally in Caracas, Venezuela, Thursday, April 11, 2013. Maduro, the hand-picked successor of Venezuela's late President Hugo Chavez, is running for president against opposition candidate Henrique Capriles on April 14. (AP Photo/Ariana Cubillos) (credit:AP)
Nicolas Maduro, Diego Armando Maradona(07 of30)
Open Image ModalVenezuela's interim President Nicolas Maduro gives a thumbs up as Argentina's soccer legend Diego Armando Maradona sits behind him as they leave after paying their respects at the tomb of late President Hugo Chavez in Caracas, Venezuela, Friday, April 12, 2013. Maduro, who served as Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles in Sunday's presidential election to replace Chavez who died on March 5. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents enjoy a day at the beach in La Guaira, some 37 miles north of Caracas, Venezuela, Saturday, April 13, 2013. Just over a month after Hugo Chavez succumbed to cancer, Venezuelans vote Sunday to replace the late president who built a near-monopoly of power during 14 years in office. Interim President Nicolas Maduro,who served as Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles in a special presidential election Sunday. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents enjoy a day at the beach in La Guaira, some 37 miles north of Caracas, Venezuela, Saturday, April 13, 2013. Just over a month after Hugo Chavez succumbed to cancer, Venezuelans vote Sunday to replace the late president who built a near-monopoly of power during 14 years in office. Interim President Nicolas Maduro,who served as Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles in a special presidential election Sunday. (AP Photo/Enric Marti) (credit:AP)
Henrique Capriles(10 of30)
Open Image ModalOpposition presidential candidate Henrique Capriles speaks during a news conference in Caracas, Venezuela, Saturday, April 13, 2013. Capriles is running against ruling party candidate and acting President Nicolas Maduro in Sunday's special presidential election. (AP Photo/Fernando Llano) (credit:AP)
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Open Image ModalVenezuela's interim President Nicolas Maduro attends a ceremony marking the Day of the National Revolutionary Militia, also called Bolivarian militias, in Caracas, Venezuela, Saturday, April 13, 2013. The Bolivarian Militia is a force of volunteers ranging from students to retirees formed by the late President Hugo Chavez. Just over a month after Chavez succumbed to cancer, Venezuelans vote Sunday to replace him. Maduro, who served as Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles in Sunday's vote.(AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents look for their name on the voters list outside a polling station to vote in presidential elections in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles in Sunday's presidential election. (AP Photo/Enric Marti) (credit:AP)
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Open Image ModalResidents sit as they wait on line to vote in the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents look for their names on voters lists outside a polling station during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalA voter has her finger marked with ink after casting her ballot in the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents wait in line outside a polling station during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Fernando Llano) (credit:AP)
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Open Image ModalA voter gets directions from a soldier on where to cast his ballot in the presidential election at a polling station in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Fernando Llano) (credit:AP)
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Open Image ModalResidents wait outside a polling station during the presidential election in the San Agustin neighborhood of Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Fernando Llano) (credit:AP)
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Open Image ModalA presidential guard soldier shows his finger marked with ink after voting in the presidential election at a polling station in Caracas, Venezuela, Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalA soldier wearing protective gear waits with civilians to cast his vote in the presidential election at a polling station in Caracas, Venezuela, Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ramon Espinosa) (credit:AP)
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Open Image ModalResidents wait to enter a polling station where a nearby wall is covered with a mural of interim President Nicolas Maduro during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image ModalElection workers wait for voters at a polling station during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image ModalResidents wait in line to enter a polling station to vote in the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image ModalResidents wait in line to enter a polling station during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image ModalResidents wait in line to enter a polling station during the presidential election in Caracas, Venezuela, early Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as the late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. The newspaper's headline reads in Spanish "Vote in Peace." (AP Photo/Ariana Cubillos) (credit:AP)
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Open Image ModalVenezuelans carrying their nation's flag walk to their consulate to vote in their country's presidential election in Havana, Cuba, Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. (AP Photo/Franklin Reyes) (credit:AP)
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Open Image ModalVoters Angel Alciro Castillo, left, Jose Luis Rodriguez and Aquiles Meo, who arrived by bus from Miami, along with others from throughout the southeastern United States, wait in line to vote at the New Orleans Venezuelan consulate's hosted national election at the Pontchartrain Center in Kenner, La., Sunday, April 14, 2013. (AP Photo/Matthew Hinton) (credit:AP)
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Open Image ModalVenezuelan Mariangel Rosa, 5, flashes a heart symbol to journalists as she walks to the Venezuelan consulate with adults who will vote there during their country's presidential election in Havana, Cuba, Sunday, April 14, 2013. Interim President Nicolas Maduro, who served as late President Hugo Chavez's foreign minister and vice president, is running against opposition candidate Henrique Capriles. The sign she wears on her shirt reads in Spanish "I'm Chavez from the heart." (AP Photo/Franklin Reyes) (credit:AP)
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Open Image ModalPeople visit the tomb of Venezuelas late President Hugo Chavez at the Military Museum in Caracas, Venezuela, Saturday, April 13, 2013. Just over a month after Chavez succumbed to cancer, Venezuelans will line up to vote Sunday for a new leader. Acting President Nicolas Maduro hopes to ride a tide of grief into Venezuela's special presidential election and win voters' endorsement to succeed the larger-than-life leader who chose him to carry on the Chavista revolution. (AP Photo/Vivian Sequera) (credit:AP)
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Open Image ModalVoters brave the rain as they arrive by bus from Miami and throughout the southeastern United States to wait in line to vote at the New Orleans Venezuelan consulate's hosted national election at the Pontchartrain Center in Kenner, La., Sunday, April 14, 2013. (AP Photo/Matthew Hinton) (credit:AP)