“The Declaration of Independence, Abraham Lincoln's Second Inaugural Address, and Martin Luther King's 'Letter from the Birmingham Jail' all have their metaphysical roots in the biblical concept of the imago dei ((i.e. humans bearing the image of God). If pro-lifers are irrational for grounding basic human rights in the concept of a transcendent Creator, these important historical documents--all of which advanced our national understanding of equality--are irrational as well.”