U.S. leadership will be a strong factor in the persistence of Spanish in its midst as a living language will be a powerful factor in the strengthening of the language on the international stage. In this volume, a number of specialists, all professors of Latino origins currently working in U.S. universities, analyze a variety of factors, from different perspectives, that play a role in the present and future vitality of Spanish as a second language in the U.S. The result is a rich and complex work surrounding a crucial issue that will influence the future of Spanish as an international language.