Many cities and states have enacted laws that target homeless people. Read “A Dream Denied: The Criminalization of Homelessness in the United States,” a January 2006 report by the National Coalition for the Homeless and the National Law Center on Homelessness and Poverty.

Richard Duncan is a law professor at the University of Nebraska-Lincoln and an expert on abortion law.

Charles E. Rice is professor emeritus at the University of Notre Dame law school in Indiana. He wrote the article “Abortion, Euthanasia and the Need to Build a New Culture of Life” for the Notre Dame Journal of Law, Ethics & Public Policy (1999).

Diane E. Wall is an associate professor emerita at Mississippi State University. She is an expert on women’s issues and the judiciary.

Martha I. Morgan is a Robert S. Vance Professor Emerita of Law at the University of Alabama in Tuscaloosa. Her area of study is abortion rights.

Neal Devins is a professor of law at the College of William and Mary in Williamsburg, Va. He is an expert on abortion law.

Gerard Magill is the Vernon F. Gallagher Chair for the Integration of Science, Theology, Philosophy, and Law at Duquesne University in Pittsburgh, where he also teaches health care ethics. He co-edited Abortion and Public Policy: An Interdisciplinary Investigation Within the Catholic Tradition (Creighton University Press, 1996).

N.E.H. Hull is a law professor at Rutgers University in Camden, N.J., and co-author of Roe v. Wade: The Abortion Rights Controversy in American History (University Press of Kansas, 2001).

Rita Simon is university professor emerita of justice, law and society for the School of Public Affairs at American University in Washington, D.C. She wrote the book Abortion: Statutes, Policies and Public Attitudes the World Over (Praeger Publishers, 1998).