Colombia's President Juan Manuel Santos gives a speech after his arrival to attend the funeral of former President of Argentina Nestor Kirchner, in Buenos Aires, Argentina, Oct. 28, 2010. Former Argentine President Nestor Kirchner (2003-2007), husband of incumbent Argentine President Cristina Fernandez de Kirchner, died of heart attack on Wednesday. [Xinhua]

In this handout image provided by the Argentine presidency, Argentine President Cristina Fernandez de Kirchner (C) stands with her Ecuadorean counterpart Rafael Correa (L) and Bolivian counterpart Evo Morales in front of the coffin of her late husband, former President Nestor Kirchner, during his wake in the Presidential Palace in Buenos Aires, Argentina, on Oct. 28, 2010. Former Argentine President Nestor Kirchner (2003-2007), husband of incumbent Argentine President Cristina Fernandez de Kirchner, died of heart attack on Wednesday. [Xinhua]