"Congress shall make no law respecting an establishment of religion..." The First Amendment assumes that the proper sphere of government is policies, not values. And so it protects the right of political participation and prohibits a state church that would define values. The government had the right to decide to go to war with France. It did not have a right to decide what you should believe. Politics extended into the realm of policies, not beliefs. But as religious belief declined, politics replaced it as the repository of moral and ethical values. This transformation began on the left. The left...