David's new book, That All Shall Be Saved: Heaven, Hell, and Universal Salvation ... What does the New Testament actually say about Hell? ... Original sin and the crucifixion of Jesus ... David's case against eternal damnation ... Free will, sin, and freedom ... What did "the Kingdom of Heaven" mean to Jesus? ... David: Envisioning the afterlife "always results in a kind of cartoon" ... David's quick thoughts on the mind-body problem ... Mysticism in the Eastern Orthodox Church ...