Iranian President Visits Latin America

Iran's President Mahmoud Ahmadinejad waves upon his arrival at the international airport in Maiquetia, Venezuela, on January 8, 2012, at the start of his Latin American tour. (AP)

Mr. Ahmadinejad is welcomed by Venezuela's President Hugo Chavez at Miraflores Palace in Caracas on January 9, 2012. (Reuters)

Mr. Ahmadinejad and Mr. Chavez hold up documents after signing agreements at Miraflores presidential palace in Caracas, Venezuela, on January 9, 2012. (AP)

Mr. Ahmadinejad and Nicaragua's Foreign Minister Samuel Santos (R) stand next to their national flags upon the Iranian president's arrival in Managua January 10, 2012. (Reuters)

Mr. Ahmadinejad congratulates Nicaragua's President Daniel Ortega, who was sworn in for his second term as president on January 10, 2012. Venezuela's President Hugo Chavez claps on the right. (Reuters)

Mr. Ahmadinejad shakes hands with Cuba's Vice President Esteban Lazo at Havana's Jose Marti Airport on January 11, 2012. (Reuters)

Cuba's President Raul Castro, left, and Mr. Ahmadinejad review the honor guard at Revolution Palace in Havana, Cuba, Wednesday Jan. 11, 2012. (AP)

Mr. Ahmadinejad waves before departing to Ecuador at the Jose Marti international airport in Havana, Cuba, Thursday, Jan. 12, 2012. (AP)

Iranian President Mahmoud Ahmadinejad is visiting four Latin American countries as tensions with the West rise over Iran's controversial nuclear program.