From Parker J. Palmer here.
These foundation stones of American democracy were laid a century too late to save Mary Dyer's life. Dyer, a middle-aged mother of six, was hanged in 1660 for defying a Puritan law that banned Quakers from the Massachusetts Bay Colony. The Christians who cruelly deprived this woman of Life, Liberty and the pursuit of Happiness were dead certain (so to speak) that they were on a mission from God, protecting their "divinely ordained" civic order against Mary Dyer's seditious belief in the Inner Light.
As a spiritual descendant of Mary Dyer, I'm profoundly grateful that America is not a Christian nation. If it were, my Quaker convictions might get me into very deep oatmeal. And as a Christian who does his best to take reason as seriously as I take faith, I find it impossible to understand America as a "Christian nation" -- and I believe that there are vibrant possibilities in the fact that it is not.