Check out this awesome article by Orrin Woodward on his leadership BLOG. In it he writes about and explains the meaning of the seperation of Church and State.
I know this article was an eye opener for me and I have learned a lot from this article and all the articles that he has on his BLOG. I recommend visting and reading his posts daily. I have the link listed under my favorites and also posted the link to the front page of his BLOG below. Add it to your favorites ASAP!