In this 2006 Moyers Moment, author Margaret Atwood, a self-described "strict agnostic," talks about the clear difference between atheism and agnosticism.

Zack Kopplin on fighting the onslaught of creationism and Susan Jacoby on the challenges of free thinking in America.

19-year-old activist Zack Kopplin talks about fighting the creep of creationist curricula in public school science classes and publicly-funded vouchers.