We visit the Walters Art Museum in Baltimore to view the exhibition "Treasures of Heaven: Saints, Relics, and Devotion in Medieval Europe" and talk with curator Martina Bagnoli, who says praying with the relics of a saint was "a kind of way of channeling your prayer to heaven."

Brother Paul Quenon, who was inspired to write by his mentor Thomas Merton, says "the purpose of the monastic life in the modern world is to show that we don't need a purpose. The purpose of life is life."

Watch our discussion of ethical questions raised by the killing of Osama bin Laden, as well as religious responses to his death and its impact on US relations with the Muslim world.

Watch excerpts from our conversation with the director of policy studies at the University of Notre Dame's Kroc Institute for International Peace Studies on some of the ethical and moral issues at stake in the US raid that ended in the death of Osama bin Laden.

Watch as Rev. Gabriel O'Donnell, O.P., academic dean at the at the Dominican House of Studies in Washington, shows correspondent Kim Lawton some of the thousands of documents he assembled as "postulator" or point person for the sainthood cause of Father Michael McGivney, founder of the Knights of Columbus.

"In that courtroom in Jerusalem 50 years ago, people heard the voices of those victims in a way that they hadn't heard them before," says Deborah Lipstadt, professor of modern Jewish history and Holocaust studies at Emory University and the author of "The Eichmann Trial."

Watch more of correspondent Kim Lawton's interview with Rev. Gabriel O'Donnell, postulator for the sainthood causes of Father Michael McGivney, O.P., founder of the Knights of Columbus, and Rose Hawthorne, daughter of nineteenth-century novelist Nathaniel Hawthorne. Also watch more from Rev. James Martin, S.J., author of the book "My Life with the Saints."

The Catholic Church's complex system for declaring someone a saint has evolved since the thirteenth century.

At the central jail in Bhopal, India, the prison superintendent says a yoga program calms the jail's atmosphere and speeds the release of inmates.

The Hindu Students Association (HSA) at Georgetown University held a belated celebration of Holi, also known as "the festival of colors." After a brief prayer service, students gathered to throw dye-filled water balloons and colored powder at each other to mark the arrival of spring. Listen to members of the HSA talk about the meaning of this Hindu holiday.

"We are Jews. We don't have to save the Palestinian heritage," says Itzik Shweky of the Society for Preservation of Israel Heritage Sites. But an American Jew from Brooklyn says the abandoned Palestinian village of Lifta is important for Jews as well as Arabs.

It was the Bible of the speeches of Abraham Lincoln and Martin Luther King Jr., says author Jon Sweeney. "It's the basis of cultural identity in the United States more than any other book."

Watch more of Kim Lawton's interviews about the background surrounding the King James Version of the Bible with Jon Sweeney, author of the new book "Verily, Verily," and Professor Scott Carroll, director of the Green Collection, one of the world's largest private collections of rare biblical texts.

Rabbi Sharon Brous, founder of IKAR, a Jewish spiritual community in Los Angeles, says Passover is "the centerpiece of the Jewish moral imagination and the Jewish collective memory."

Rabbi Sharon Brous, founder of IKAR, a Jewish spiritual community in Los Angeles, says Passover is "the centerpiece of the Jewish moral imagination and the Jewish collective memory."

A Yale Law School professor considers what force should be used for in a just world and says intervening militarily to protect people being slaughtered by their own government is "an enormous break with America's practice."

"The idea that it's possible to move from slavery to freedom and from darkness to light and from despair to hope -- that is the greatest Jewish story every told," says Rabbi Sharon Brous of IKAR, a Jewish spiritual community in Los Angeles. Watch more of our interview with her on the meaning of Passover.

Holy Family Ministries calls itself a new model for Christian education at a time when faith-based schools, especially those in the inner cities, struggle to stay alive. "These schools are the jewels of their neighborhood, and we need to save them," says Susan Work, president of Holy Family Ministries in Chicago.

In a new book called "The Violence of Peace: America's Wars in the Age of Obama," Yale Law School professor Stephen Carter ponders the vocabulary of just and unjust war and the significance of using the American military for humanitarian interventions.

In the Orthodox Christian tradtion fasting is not about deprivation or suffering, says Catherine Mandell, author of "When You Fast: Recipes for Lenten Seasons."