The Nicene Creed has defined historical orthodoxy for centuries. It is broad enough to include Calvinists and Roman Catholics. Despite all of our differences and even some anathemas, we can ecumenically rejoice in our shared Nicene faith. We may lodge major theological objections toward one another. Roman Catholics may be offended by the low Marian theology exhibited throughout Protestant churches, while we Protestants are aghast at the reverence for the Mother of God. Yet Calvinists and Catholics share the Nicene faith. I am not focusing so much on our differences.…