When Gregory Boyd, pastor of Woodland Hills Church in St. Paul, Minnesota, preached about the danger of mingling the mission of the church with conservative politics he ignited passionate responses on both sides, and 1,000 people left the church. In part two of an excerpt from Boyd's new book, The Myth of a Christian Nation (Zondervan 2006), he says much of this passion is fueled by the false belief that America is a Christian nation and that the church's role is to reinforce that belief.

What gives the connection between Christianity and politics such strong emotional force in the U.S.? I believe it is the longstanding myth that America is a Christian nation.

From the start, we have tended to believe that God's will was manifested in the conquest and founding of our country - and that it is still manifested in our actions around the globe. Throughout our history, most Americans have assumed our nation's causes and wars were righteous and just, and that "God is on our side." In our minds ...