Wedged between highways and railroads, on a barren stretch of moldy concrete and sickly palm trees in Sao Paulo, sits the headquarters of the Latin American Parliament, or Parlatino, designed by famed Brazilian architect Oscar Niemeyer. Created in 1964, the Parlatino was modeled on the European Parliament as a legislative body that would drive the integration of Latin American and the Caribbean around their unique regional and hemispheric interests. Today, though, the Parlatino is irrelevant, detached from national and even regional policy debates—just one of a succession of Latin American efforts to create a body to coordinate the hemisphere’s interests […]