While his wife sang "Don't Cry for Me, Argentina" (well, at least she sang it in the movie), Juan Perón ran the country, becoming one of the most important figures in the history of Latin America. Where is the best collection of materials on Perón? (Hint: It's not Buenos Aires.) Hoover fellow William Ratliff, the curator of the Americas Collection, provides a tour of one of Hoover's most fascinating holdings.