See a Feb. 4, 2012, New York Times story about the increasing number of people living alone.

Lisle Dalton is an assistant professor of religious studies at Hartwick College in Oneonta, N.Y. He has written about religion and The Simpsons.

Zaheer Ali is a doctoral candidate at Columbia University researching 20th-century African-American history and religion; he is project manager for Columbia’s Malcolm X Project.

Ali is imam of the Islamic Cultural Center of New York. He is Indonesian.

GodWeb is a Christian website for book and movie reviews run by Presbyterian minister Charles Henderson.

Judith Hauptman is professor of Talmud and Rabbinic culture at Jewish Theological Seminary of America in New York. She wrote the article “Abortion: Where We Stand” for the journal United Synagogue Review.

Faye Ginsburg is professor of anthropology at New York University. She wrote the book Contested Lives: The Abortion Debate in an American Community (University of California Press, 1998).

Planned Parenthood Federation of America fights against legislation that limits access to abortions. Contact the media office.

Alexander C. Sanger, grandson of reproductive rights activist Margaret Sanger, is chairman of the International Planned Parenthood Federation. He wrote Beyond Choice: Reproductive Freedom in the 21st Century (Public Affairs, 2004).