Twelve papers presented during the Fourth Annual Earl Warren Memorial Symposium, which focused on the forces that shaped the pending Immigration Control and Reform Act of 1982 (known as the Simpson-Mazzoli Bill) are given. Included are "The Political Economy of Immigration" (Zolberg), "Of Borders and States: A Skeptical Note on the Legislative Control of Immigration" (Portes), "The Failure of United States Immigration Policy" (Keely), "From Select Commission to Simpson-Mazzoli: The Making of America's New Immigration Law" (Fuchs), "Employer Sanctions: Political Appeal, Administrative Dilemmas" (Garcia y Griego), and "Employer Sanctions Legislation in the United States: Implications for Immigration Policy" (Calavita). Other papers included are "Employer Sanctions Laws: The State Experience as Compared with Federal Proposals" (Schwarz), "Immigration Reform and Legal Rights: A Critical Analysis of the Simpson-Mazzoli Bill" (Strickland), "Legal Dilemmas in the Amnesty Provisions of the Simpson-Mazzoli Bill" (Heller and Olson), "Simpson-Mazzoli: Implications for the Latino Community" (del Olmo), "The Temporary Workers Provisions of the Simpson-Mazzoli Bill: Implications for the State of Florida" (McCoy), and "Simpson-Mazzoli vs. the Realities of Mexican Immigration" (Cornelius). Appended are edited comments of seven speakers, e.g., the Honorable William Wayne Justice (Chief Judge, United State District Court, Eastern District of Texas) who commented on educational implications and equal protection. (MH)