Luis Alberto Ambroggio's book, "Estados Unidos Hispano" is a celebration of the Hispanic population and its contributions to the United States, written with humor, surprising facts and passion for the Spanish language. Speaker Biography: Luis Alberto Ambroggio is the author of 13 collections of poetry and is a member of the Academia Norteamericana de la Lengua EspaƱola, the leading organization promoting U.S. poetry written in Spanish. Speaker Biography: Enrique Pumar is the chair of the sociology department at Catholic University in Washington, D.C. For transcript and more information, visit www.loc.gov/today/cyberlc/feature_wdesc.php?rec=7251