Some employers maintain that they continue to need the "best and the brightest" workers, regardless of their country of birth, to remain competitive in a world-wide market and to keep their firms in the United States. While support for increasing employment-based immigration may be dampened by the high levels of unemployment, proponents argue that the ability to hire foreign workers is an essential ingredient for economic growth. This book explores the immigration and admission issues concerning foreign and guest worker programs in the United States.