In this photo released Friday, Feb. 15, 2013 by Miraflores Presidential Press Office, Venezuela's President Hugo Chavez, center, poses for a photo with his daughters, Maria Gabriela, left, and Rosa Virginia at an unknown location in Havana, Cuba, Thursday, Feb. 14, 2013. (AP Photo/Miraflores Presidential Press Office)
In this photo released Friday, Feb. 15, 2013 by Miraflores Presidential Press Office, Venezuela's President Hugo Chavez, center, poses for a photo with his daughters, Maria Gabriela, left, and Rosa Virginia as he holds a copy of Cuba's state newspaper Granma at an unknown location in Havana, Cuba, Thursday, Feb. 14, 2013. (AP Photo/Miraflores Presidential Press Office)
In this photo released Friday, Feb. 15, 2013 by Miraflores Presidential Press Office, Venezuela's President Hugo Chavez, center, poses for a photo with his daughters, Maria Gabriela, left, and Rosa Virginia as he holds a copy of Cuba's state newspaper Granma at an unknown location in Havana, Cuba, Thursday, Feb. 14, 2013. (AP Photo/Miraflores Presidential Press Office)
In this undated photo released by Miraflores Press Office, Lieutenant Hugo Chavez poses for a photo at the Military Academy in Caracas, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Miraflores Press Office) (AP2013)
In this undated photo released by Miraflores Press Office, Hugo Chavez, right, sits with his brother Adam in Barinas, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Miraflores Press Office) (AP2013)
In this undated photo released by Miraflores Press Office, Hugo Chavez, center, looks at the camera during a military exercise in Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Miraflores Press Office) (AP2013)
In this photo released by Miraflores Press Office, Hugo Chavez, top left, poses with fellow members of the failed coup as they serve time in Yare II jail near Caracas, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Miraflores Press Office) (AP2013)
FILE - In this July 21, 2006 file photo, Venezuela's President Hugo Chavez, left, gestures as Cuba's President Fidel Castro looks on during an event in Cordoba, Argentina. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died at age 58 after a nearly two-year bout with cancer. (AP Photo/Roberto Candia, File) (AP2011)
FILE - In this April 14, 2002 file photo, Venezuela's President Hugo Chavez gestures to supporters as he arrives to Miraflores presidential palace after being freed by his military captors two days after the military announced he had resigned in Caracas, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died at age 58 after a nearly two-year bout with cancer. During more than 14 years in office, Chavez routinely challenged the status quo at home and internationally. He polarized Venezuelans with his confrontational and domineering style, yet was also a masterful communicator and strategist who tapped into Venezuelan nationalism to win broad support, particularly among the poor. (AP Photo/Dario Lopez-Mills, File)
En esta fotografía de archivo del 13 de agosto de 2006 difundida por el periódico cubano Granma, el líder de ese país Fidel Castro, a la derecha, y su colega venezolano Hugo Chávez estrechan su mano mientras Castro se recupera de una operación en La Habana, Cuba. El vicepresidente venezolano Nicolás Maduro anunció el martes 5 de marzo de 2013 que Chávez, de 58 años, ha muerto. (Foto AP/Granma, archivo)
FILE - In this Sept. 18, 2006 file photo, Venezuela's President Hugo Chavez, left, and Iran's President Mahmoud Ahmadinejad wave to the press after inaugurating an oil drill in San Tome, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Fernando Llano, File) (AP2006)
FILE - In this April 17, 2009 file photo, President Barack Obama, left, shakes hands with Venezuela's President Hugo Chavez before the opening session of the 5th Summit of the Americas in Port of Spain, Trinidad and Tobago. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died at age 58 after a nearly two-year bout with cancer. (AP Photo/Mariamma Kambon, Summit of the Americas, Pool, File) (AP2011)
FILE - In this Oct. 28, 2010 file photo released by Argentina's Presidency, Venezuela's President Hugo Chavez, left, kisses the hand of Argentina's President Cristina Fernandez during the wake of her husband, former Argentina's President Nestor Kirchner, at the government palace in Buenos Aires, Argentina. Kirchner died after suffering a heart attack. Behind right is Maximo Kirchner, son of Cristina and Nestor Kirchner. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Argentina's Presidency, File) (AP2010)
FILE - In this April 8, 2001 file photo, Mexico's President Vicente Fox, left, Venezuela's President Hugo Chavez, center, and Colombia's President Andres Pastrana shake hands as they pose for a photo in Caracas, Venezuela. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died at age 58 after a nearly two-year bout with cancer. (AP Photo/Fernando Llano, File)
FILE - In this Aug. 12, 2001 file photo released by Miraflores Press Office, Cuba's President Fidel Castro, left, and Venezuela's President Hugo Chavez wave to a crowd while touring Canaima National Park in eastern Venezuela in a canoe. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died at age 58 after a nearly two-year bout with cancer. (AP Photo/HO, Miraflores Presidential Palace, Egilda Gomez, File)
FILE - In this Oct. 12, 2001 file photo released by the Vatican, Pope John Paul II shakes hands with Venezuela's President Hugo Chavez during a private audience at the Vatican City Friday. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Arturo Mari, Vatican, File) (AP2001)
Sept. 10, 2011: Venezuela's President Hugo Chávez in Caracas, Venezuela.
(AP)
Nov. 6, 2011: Venezuela's President Hugo Chávez, left, wipes the sweat at his forehead during a ceremony at the military academy in Fuerte Tiuna, Caracas, Venezuela. At right is Venezuela's Defense Minister Gen. Carlos Mata. (AP)
Dec. 11, 2001: Holding up a pair of pliers, Venezuelan President Hugo Chávez speaks about the discovery of a conspiracy to destabilize the country and says that the screws will be tightened on Margarita Island, Venezuela. (Getty)
Jan. 19, 2003: President Hugo Chávez speaks during Chávez's weekly radio and TV show 'Hello President' in Caracas, Venezuela. (Getty)
Dec. 7, 2002: President Hugo Chávez addresses supporters during a massive rally in front of the Miraflores presidential palace in Caracas, Venezuela. (Getty)
Oct. 17, 2006: Venezuelan President Hugo Chávez gestures during a meeting with Chinese businessmen at Miraflores Palace in Caracas, Venezuela. The picture in the background is the Venezuelan liberator Simon Bolivar.
(AP)
July 4, 2011: Venezuela's President Hugo Chávez gestures from a balcony of Miraflores presidential palace while he greets supporters.
(AP)
Jan. 23, 2003: Venezuelan President Hugo Chávez greets supporters upon his arrival to a rally in Caracas, Venezuela. Thousands of Chavez supporters marched in a show of support for the leftist leader who is fighting an opposition strike that has battered the country's economy. (Getty)
FILE - In this Oct. 11, 1999 file photo, Venezuela's President Hugo Chavez wears a Great Wall cap as he runs on a section of the Great Wall of China, north of Beijing. Venezuela's Vice President Nicolas Maduro announced on Tuesday, March 5, 2013 that Chavez has died. Chavez, 58, was first diagnosed with cancer in June 2011. (AP Photo/Xinhua, File) (AP2011)
Jan. 17, 2003: Venezuelan President Hugo Chávez speaks before the National Assembly as he delivers his annual speech in Caracas, Venezuela. (AP)
July 12, 2011: In this photo provided by Miraflores presidential press office, priest Mario Moronta, right, makes a cross sign on Venezuela's President Hugo Chávez's forehead during a mass for Chávez's recovery in Caracas, Venezuela. (AP)
Venezuela's President Hugo Chávez. (AP / Getty)
Jan. 11, 2003: President Hugo Chávez listens the national anthem during a ceremony after a rally January 11, 2003 in Caracas, Venezuela. (Getty)
July 4, 2011: President Hugo Chávez in La Habana, Cuba.
(AP)
July 4, 2011: Venezuela's President Hugo Chávez greets supporters after returning to Venezuela from Cuba, where he underwent surgery to remove a cancerous tumor. (AP)
July 11, 2011: In this photo provided by Miraflores presidential press office, Venezuela's President Hugo Chávez, third right, exercises as part of his health recovery process at the Alejandro Petion military academy in Fuerte Tiuna, Caracas, Venezuela. (AP)
Sept. 29, 2011: In this photo released by Miraflores Press Office, Venezuela's President Hugo Chávez throws a softball after giving a live address on state TV at Miraflores presidential palace in Caracas, Venezuela. (AP)
Aug. 1, 2011: In this photo provided by Miraflores Presidential Press Office, Venezuela's President Hugo Chávez, front, smiles during the swearing in ceremony of two new ministers. (AP)
Aug. 27, 2011: Venezuela's President Hugo Chávez reacts in front of supporters on the balcony of the Miraflores presidential palace in Caracas, Venezuela. (AP)
Sept. 17, 2011: Venezuela's President Hugo Chávez gestures during a welcoming ceremony for Bolivia's President Evo Morales at Miraflores presidential palace in Caracas, Venezuela. (AP)
Sep. 2, 2011: Venezuela's President Hugo Chávez looks up upon his arrivals to Miraflores presidential palace after his third round of chemotherapy for cancer.in Caracas, Venezuela. (AP)
Jan. 13, 2012: Venezuela's President Hugo Chávez holds a gold bar as he gives his annual address to the National Assembly in Caracas, Venezuela. (AP)
Venezuela's President Hugo Chávez file photo. (AP)
Venezuela's President Hugo Chávez file photo. (AP)
Jan. 13, 2012: Venezuelas President Hugo Chávez waves to supporters as he arrives to the National Assembly for his annual state of the union address in Caracas, Venezuela. (AP)
Feb. 4, 2012: Venezuela's President Hugo Chávez waves as he attends the first session of a summit by the eight-nation Bolivarian Alliance bloc, or ALBA, at Miraflores presidential palace in Caracas, Venezuela. (AP)
Feb. 10, 2012: Venezuela's President Hugo Chávez talks to the press after a meeting with foreign ministers of the countries members of the ALBA ( Bolivarian Alternative for the Americas) trade block at Miraflores presidential palace in Caracas, Venezuela. (AP)
Feb. 21, 2012: In this photo released by Miraflores Press Office, Venezuela's President Hugo Chávez speaks with workers as he visits a truck factory in Barinas, Venezuela. Chavez said that doctors in Cuba have found a new lesion in the same place where he had cancer surgery last year, and he will require surgery. (AP)