Mexico is becoming increasingly important as a focus of U.S. immigration policy, and the movement of people across the U.S.-Mexico border is a subject of intense interest and controversy. The U.S. approach to cross-border flows is in flux, the economic climate in Mexico is uncertain, and relations between the two neighbors have entered a new stage with the launching of NAFTA. This volume draws together original essays by distinguished scholars from a variety of disciplines and both sides of the border to examine current impetuses to migration and policy options for Mexico and the U.S.