Sarah Cunningham has left the church, at least as most of us know it. But she believes in "keeping the faith" and "tradition." The 28-year-old PK and former megachurch staffer now teaches high school history and is part of a house church in Jackson, Michigan (www.crazyhomechurch.com). She is the author of Dear Church: Letters from a Disillusioned Generation (Zondervan, 2006).

Are you a "friendly outsider" or a "provocative insider" in relation to the church?

Definitely a provocative insider. I was raised in a pastor's family and went to a Christian college. I do have a really firm grasp on doctrine, and I have a strong hold on tradition as well. I feel a sense of tension in trying to speak the truth, of not trying to keep the silence, but please know that I am also keeping the faith.

If you could say one thing to church leaders, what would you tell them?

I would say that faith systems that don't compel transformation are empty. I feel like a lot of the reason that Generation Y has come to ...