At the end of Act 2 of Bertolt Brecht’s Three-Penny-Opera, the proletarian petty criminal Macheath and his prostitute Jenny reply to the bourgeois representatives of the establishment urging them to uphold moral standards: “First comes a full stomach, then comes ethics!” This aphorism echoes the widely held contention that ethical behavior is a privilege of those who have satisfied their material needs. How can one expect somebody who is fighting for survival to be decent and honorable? Indeed, when civilization broke down during wars and disasters, huma...