Religion's Power: What Makes It Work

What makes religion so powerful? Why does it attract so many followers? Raise so much money? Influence how people vote? The usual answer is that religion is powerful because it offers divine hope. But there is more to it than that. Why does a worship service seem powerful? Why is it powerful to hear someone testify about their faith? Who sets the rules for who can be a member and who cannot? What does religion do to reinforce gender and racial differences? Or to challenge them? Religion's P...