Venezuelan President Hugo Chavez (R) and his Brazilian counterpart Luiz Inacio Lula da Silva (C), chat with a farmer at the soy field "Jose Inacio Abreu De Lima", in the outskirts of the oil-boom town of El Tigre, in the plains of southeastern Venezuela, on October 30, 2009. Lula da Silva arrived in the country in a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. TOPSHOTS/AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
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Venezuelan President Hugo Chavez (C) chats with his Brazilian counterpart Luiz Inacio Lula da Silva (L), during a visit to the soy field "Jose Inacio Abreu De Lima", in the outskirts of the oil-boom town of El Tigre, in the plains of southeastern Venezuela, on October 30, 2009. Lula da Silva arrived in the country in a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
AFP/Getty Images
Venezuelan President Hugo Chavez (R) and his Brazilian counterpart Luiz Inacio Lula da Silva (C), chat with a farmer at the soy field "Jose Inacio Abreu De Lima", in the outskirts of the oil-boom town of El Tigre, in the plains of southeastern Venezuela, on October 30, 2009. Lula da Silva arrived in the country in a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
AFP/Getty Images
Venezuelan President Hugo Chavez (R) and his Brazilian counterpart Luiz Inacio Lula da Silva (C), chat with a farmer at the soy field "Jose Inacio Abreu De Lima", in the outskirts of the oil-boom town of El Tigre, in the plains of southeastern Venezuela, on October 30, 2009. Lula da Silva arrived in the country in a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
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Brazilian President Luiz Inacio Lula da Silva speaks during the inauguration of the new Brazilian consulate in Caracas, on October 29, 2009. Lula da Silva arrived in Venezuela for a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
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Brazilian President Luiz Inacio Lula da Silva chats with his Foreign Minister Celso Amorim during the inauguration of the new Brazilian consulate in Caracas, on October 29, 2009. Lula da Silva arrived in Venezuela for a two-day official visit to discuss about cooperation in areas such as energy and technology, and the possible entry of Venezuela to the South American trade bloc Mercosur, which includes Brazil, Argentina, Uruguay and Paraguay. AFP PHOTO/Juan BARRETO (Photo credit should read JUAN BARRETO/AFP/Getty Images)
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El senador Romero Jucá, a la izquierda, habla durante la sesión de la comisión de relaciones exteriores del Senado en Brasilia el jueves 29 de octubre de 2009. La comisión aprobó el ingreso de Venezuela al Mercosur. Ya lo hicieron los parlamentos de Argentina y Uruguay. El congreso paraguayo aún no se pronuncia. (AP Photo/Eraldo Peres)
AP
El senador Romero Jucá, a la izquierda, habla durante la sesión de la comisión de relaciones exteriores del Senado en Brasilia el jueves 29 de octubre de 2009. La comisión aprobó el ingreso de Venezuela al Mercosur. Ya lo hicieron los parlamentos de Argentina y Uruguay. El congreso paraguayo aún no se pronuncia. (AP Photo/Eraldo Peres)
AP
El senador Romero Jucá, líder de la bancada oficialista en el Senado, a la izquierda, conversa con su colega Eduardo Suplicy durante una sesión de la comisión de relaciones exteriores del Senado ein Brasilia, el jueves 29 de octubre de 2009. La comisión aprobó la entrada de Venezuela al Mercosur. Argentina y Uruguay ya aprobaron el ingreso de venezuela. El congreso paraguayo no lo ha aprobado. . (AP Photo/Eraldo Peres)
AP
Argentina's President Cristina Fernandez shows a leaflet of Uruguay's presidential candidate Jose 'Pepe' Mujica, of the Frente Amplio ruling party, during a press conference to announce her proposal of political reforms in Buenos Aires, Wednesday, Oct. 28, 2009. Fernandez showed Mujica's leaflet as an example of how she plans to change Argentina's electoral ballots into more colorful ones. (AP Photo/Natacha Pisarenko)
AP