(CBS) Tom Cruise and Katie Holmes will marry Saturday in a Scientology ceremony — a wedding that is full of mystery for most people.
Theology professor Dr. Sarah Sumner says the big difference is the way Scientologists look at God.
"In a Christian wedding, the primary witness of the wedding is God himself and in a Scientology wedding, God is recognized as an abstraction," she said. There's not a personal God. So there is no presence of a deity. I think that's the biggest difference."
A basic tenet of Scientology is the ARC triangle which represents affinity, reality and communication....