“Is Christianity good for the world?” That’s the subject of an ongoing debate between renowned atheist Christopher Hitchens and a conservative and sometimes controversial Christian, Douglas Wilson. Close What began as a correspondence between the two has led to a co-authored book, a debate tour, and now a fascinating documentary-a kind of behind the scenes look at that tour, featuring interviews with both men. These interviews achieve a rare level of honesty and insight about what it takes to have faith in the modern world-or, conversely, what it takes not to have faith. The film shows the tremendous level of...