We continue our look at President Bush's five-nation tour of Latin America with Greg Grandin and Steven Ellner. Grandin is a professor of Latin American history at New York University and author of the book "Empire's Workshop: Latin America, the United States, and the Rise of the New Imperialism." Ellner has taught political science at the Universidad de Oriente in Venezuela since 1977. He is the author of the forthcoming book "Venezuela: Hugo Chavez and the Decline of an Exceptional Democracy." [includes rush transcript]

• Greg Grandin, professor of Latin American history at NYU and author of the book Empire's Workshop: Latin America, the United States, and the Rise of the New Imperialism. He also wrote "The Blood of Guatemala: A History of Race and Nation."
• Steven Ellner, he has taught political science at the Universidad de Oriente in Puerto La Cruz, Venezuela since 1977. He is the author of many books on Venezuela including the forthcoming book "Venezuela: Hugo Chavez and the Decline of an Exceptional Democracy."