“Will evangelicals turn out in large numbers and be energized as volunteers and financial supporters of Mitt Romney? It just takes a few million evangelicals to choose to not get as actively involved in this race to cost Mitt Romney the presidency,” according to evangelical journalist Warren Cole Smith.

“Mitt Romney has studiously avoided the subject of religion whenever possible. He’s a technocrat. He’s very careful. He’s highly managed in his public presentation. He knows that bringing up Mormonism conjures a host of associations he’d like to avoid.”

“It seems to me like the church would be the place that would lead the way in having dangerous conversations,” says megachurch pastor Rob Bell, author of the controversial “Love Wins: A Book about Heaven, Hell, and the Fate of Every Person Who Ever Lived.”

"Is there a point at which a change of heart no longer means anything to God?" Watch more of our interview with pastor and author Rob Bell.

"Nothing Rob Bell has said is new," says author and columnist Lisa Miller. "There has been this long conversation for twenty-five hundred years about what heaven is and who gets to go."

"I thought he raised some really interesting questions," says Prof. Mary Vanden Berg when asked about Rob Bell's book on heaven and God's judgement. "But I think Christian tradition has answered them." Watch more of our discussion with her.

As the world celebrates the 400th anniversary of the King James Bible, is its voice receding in American culture?

As Mideast turmoil spreads, a professor of international affairs says we are witnessing changing interpretations of religion and "a struggle over which interpretations have authority over whom."

Read more of Kim Lawton’s interview about Advent and Christmas services of lessons and carols with the Rev. Canon Victoria Sirota of the Cathedral Church of St. John the Divine in New York City.

"We can open up the question of financial incentives" for organ donations "without worrying about undue coercive pressures," says medical ethicist Robert Veatch of Georgetown University.