Josef Stalin may die in bed and Adolf Hitler commit suicide to escape human justice but neither they nor any ruler will escape the judgment of God. It is therefore the duty of rulers to enact wise laws and the wisest laws are those that reflect God's laws. It is the duty of the law to be impartial. The rich and powerful are not to be favoured at the expense of the poor and disadvantaged. The poor and disadvantaged are not to be favoured at the expense of the rich and powerful.
Justice is to be done to all of whatever race, creed or colour.
Political correctness is a form of discrimination and more often than not unjust. The duty of Christians is plain from this passage. Put simply, it is to support the peaceable working of society out of reverence for God. The Christian knows that the events of history are not random chance but God's mysterious purposes worked out on the stage of history. In a democratic system it is desirable that Christians should play their full part in the ongoing debate on how matters are to be run.