Why not just discuss them all? What is so terrifying about religion? I for one want my unborn son to learn as much as he can about ALL the religions of the world so that he can have a fuller understanding of the planet we all share.
"The purpose of fighting is to win. There is no possible victory in defense. The sword is more important than the shield and skill is more important than either. The final weapon is the brain. All else is supplemental." - John Steinbeck