Religion is a huge problem in the world today, and a good part of the problem boils down to the fact that religious fundamentalists believe that any one who does not share their specific branch of fundamentalism is wrong and their lives are inherently worth less. Harris builds from this and points out how much of a problem this poses, not just in the Middle East, but also in middle America.

Letter to a Christian Nation is a fairly elegant work, to which I found myself nodding regularly in considered agreement. It's much better than his larger work The End of Faith.