C.S. Lewis, Just War, and the Locus of Authority
Monday, November 21, 2011 at 2:31PM In a 1939 letter to the journal Theology, C.S. Lewis raises a very important, and too little discussed, question of just war theory: who is responsible to decide whether a war is just? Too often, just war debates focus on the six traditional just war criteria, whether they are sufficient, and whether they have been fulfilled in a particular case. But Lewis objects, "It is plain that equally sincere people can differ to any extent and argue for ever as to whether a proposed war fulfils these conditions or not. The practical question, therefore, which faces us is one of authority. Who has the duty of deciding when the conditions are fulfilled and the right of enforcing his decision?" To this, Lewis offers a very interesting and uncomfortable answer. To be sure, he grants from the start, no subject must obey a decision that he knows to be wrong and unjust; indeed, he must not obey. But just how responsible is he to determine whether it is wrong or unjust? Lewis is inclined to think that the ordinary citizen has, in fact, relatively little responsibility on this front.
He uses the analogy of a hangman. Assuming that a Christian may legitimately be a hangman, we will of course say that
"he must not hang a man whom he knows to be innocent. But will anyone interpret this to mean that the hangman has the same duty of investigating the prisoner's guilt which the judge has? If so, no executive can work and no Christian state is possible; which is absurd. I conclude that the hangman has done his duty if he has done his share of the general duty, resting upon all citizens alike, to ensure, so far as in him lies, that we have an honest judicial system; if, in spite of this, and unknowingly, he hangs an innocent man, then a sin has been committed, but not by him.
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