Taking a Look at Past Summits of the Americas -- PICTURES

President Clinton and first lady Hillary Rodham Clinton lead the leaders of 33 Western Hemisphere countries and their spouses to dinner at the Biltmore Hotel in Coral Gables, Florida on Dec. 9, 1994, as part of the Summit of the Americas.  (AP Photo/Lynne Sladky)

President Clinton and first lady Hillary Rodham Clinton walk with Chilean President Eduardo Frei and Chilean first lady Marta Larrachea de Frei on the lawn of Cerro Castillo, the presidential summer residence in Vina del Mar, Chile, on April 17, 1998. Earlier, Clinton addressed members of both houses of the Chilean Congress before the start of the Summit of the Americas. (AP Photo/Greg Gibson)

President Clinton congratulates President Jean Bertrand Aristide after the Haitian leader addressed the final plenary session of the Summit of the Americas in Miami, on Dec. 11 1994. Aristide thanked the Organization of American States and the United States for intervening to restore him to office, ending three years of military rule. (AP Photo/J. Scott Apple White)

Police and protesters clash after the protesters broke through the perimeter of the site of the Summit of the Americas in Quebec City, Canada, on April 20, 2001. (AP Photo/Ricardo Mazalan)

President Bush and first lady Laura Bush (partially obscured) are saluted as they arrive for the Summit of the Americas in Quebec City, Canada, on April 20, 2001. Thirty-four heads of state from the Western Hemisphere attended. (AP Photo/John Moore)

Argentina's President Fernando de la Rua talks to President Bush during the final press conference of the Summit of the Americas in Quebec City, on April 22, 2001.   (AP Photo/Lynne Sladky)

Mexico's President Vicente Fox (second from right) and first lady Marta Sahagun (right) welcomes President Bush and first lady Laura Bush during the start of the Special Summit of the Americas in Monterrey, Mexico, on Jan. 12, 2003.  (AP Photo/Jose Luis Magana)

President Bush chats with Chile's President Ricardo Lagos following the plenary session of the Special Summit of the Americas in Monterrey, Mexico, on Jan. 13, 2004.  (AP Photo/Jaime Puebla)

A man tries to put a fire out inside of a bank office after it was destroyed by protesters during a march against the presence of President Bush at the fourth Summit of the Americas in the Atlantic resort city of Mar del Plata, Argentina, on Nov. 4, 2005. (AP Photo/Dado Galdieri)

President Bush meets Argentina's President Nestor Kirchner at the fourth Summit of the Americas, in Mar del Plata, Argentina, on Nov. 4, 2005.  (AP Photo/Charles Dharapak)

Venezuela's President Hugo Chavez hands President Obama the book, The Open Veins of Latin America by Uruguayan writer Eduardo Galeano, during a meeting at the Summit of the Americas on April 18, 2009, in Port-of-Spain, Trinidad and Tobago.  (AP Photo/Evan Vucci)

Antiterrorism and Special Operations forces train in Sibate, Colombia, on March 22, 2012. About 60 members of the unit will travel to Cartagena for the Summit of the Americas. (AP Photo/Fernando Vergara)

A navy helicopter patrols over Cartagena, Colombia, on Thursday, where the Summit of the Americas will take place. (AP Photo/Fernando Vergara)