The second trick is to make his hero's thoughts almost as interesting as his actions, thus providing a more balanced and satisfying read: Mr Rain is a paid killer with a conscience, always questioning his own motives and morals, trying to work out which are the good guys and which the bad, so that he is on the right side.
Worse still, what moral conservatives try to impose on others is often an expression of what they most fear in themselves: "If you hate a person," Hermann Hesse remarked, "you hate something in him that is part of yourself".
Other moral theories try to do this too.
For those who have forgotten, all three of these moral tales try to promote honesty -- but in very different ways.
Whether it be a physical or mind-blowingly unpleasant moral hangover, try not to be disheartened by an unfortunate date party incident -- the next one will be better.
And these failings compound: Out of the failed state of Iraq arose ISIS, which Republicans out of moral guilt try to put on President Obama.
Moral arguments try to use the best possible evidence of positive outcomes to maximise benefits when people's lives are intervened in, through, for example, schooling or social and healthcare services.
I see Joe (Sacco) as the moral centre, trying something that no one has ever tried to do before.
Instead we reflect upon similar examples and general moral principles, trying to arrive at a balanced view of the morally relevant features of the case at hand.
But, in retrospect, no matter how moral he tried to be, he still harmed the civilian population.
