Stephen Prothero chairs the religion department at Boston University and is the author of "Religious Literacy: What Every American Needs to Know – and Doesn’t." He tells Steve Paulson why he thinks its imperative that Americans have a working knowledge of religious traditions at home and abroad to understand other peoples and our own politicians..

Lupe Fiasco is a devout Muslim whose album "Food and Liquor" went to number one of the rap album charts and won three Grammy Nominations. Fiasco tells Anne Strainchamps why his album begins with a prayer and how he reconciles his Islamic beliefs with the rap tradition of gang violence and degrading women.

Religious historian Elaine Pagels talks to Steve Paulson about the book she’s written with Karen King. It’s called "Reading Judas." Pagels says Judas was the favorite disciple, and the only one Jesus trusted to carry out his final command: to hand him over to the Romans.

Anne Lamott is famous for her intensely personal and very funny style of writing. Her latest book is "Grace (Eventually): Thoughts on Faith." She tells Anne Strainchamps how she found God after being raised by atheists and becoming a drunk and drug addict. She liked the music, and she finally surrendered.

"To the Best of Our Knowledge" is an audio magazine of ideas – two hours of smart, entertaining radio for people with curious minds. More "To the Best of Our Knowledge"

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