Nuns are traveling by bus halfway across the country to protest the Ryan budget. Yesterday, they brought the message to his door.

We report from inside the 'Nuns on the Bus' tour, on a mission to spotlight social justice issues and protest the House Republican budget.

See how the provocative moral psychologist answered viewer questions about the moral differences between liberals and conservatives.

Chicago Tribune columnist Rex Huppke, who wrote a eulogy for facts, explains the circumstances of their death.

The conservative columnist argues that President Obama is engaged in a "high stakes political fight" with Catholicism.

Conservative columnist Ross Douthat argues traditional Christianity has failed to keep polarizing cultural combatants and influencers in check.

Two popular political writers share how American liberalism and Christianity have gone off the rails -- and the implications for American democracy.

In an excerpt from his book, Ross Douthat says preacher Joel Osteen embodies "the refashioning of Christianity to suit an age of abundance."

On International Human Rights Day, we're remembering Elie Wiesel's thoughts on our capacity for both good and evil.

Elaine Pagels shares perceived roles of sexuality in classic Bible stories.