Ian F. Haney-López is the John H. Boalt Professor of Law at the University of California-Berkeley School of Law. An expert on race relations and law, he is the author of Racism on Trial: The Chicano Fight for Justice (Belknap/Harvard, 2003).

Edwin I. Hernández is the director of the Center for Study of Latino Religion at Notre Dame University in South Bend, Ind. The center conducts social-scientific study of the U.S. Latino church, its leadership and the interaction between religion and community.

Janet Murguia is the president and CEO of the National Council of La Raza, the largest national Hispanic civil rights and advocacy organization in the United States.

Ira Mehlman is media director for the Federation for American Immigration Reform. FAIR advocates for changes in immigration law that would reduce the number of immigrants allowed to enter the United States. Mehlman contends that Jews could face increased anti-Semitism if more immigrants are allowed into the U.S. Contact Mehlman through FAIR press secretary Cassie Williams.

Peggy Levitt is a professor of Latin American studies and sociology at Wellesley College in Wellesley, Mass., and an associate at the Weatherhead Center for International Affairs at Harvard University. She is the author of several books, including God Needs No Passport: Immigrants and the Changing American Religious Landscape. 

Marshall Fitz is the director of immigration policy for the Center for American Progress (CAP), which is a progressive independent nonpartisan educational institute. Contact Fitz through the CAP communications director Crystal Patterson or through the email form on his CAP page.

Jeffrey S. Passel is a senior demographer for the Pew Hispanic Center, which has conducted research on Latino immigration patterns and Hispanic attitudes toward immigration policy.

Ronald A. Lindsay is president and CEO of the Council for Secular Humanism, based in Amherst, N.Y.

The American Civil Liberties Union litigates on behalf of civil liberties, including religious liberties. It is based in Washington, D.C., and has many chapters throughout the United States. Anthony D. Romero is its executive director.