Commentary Can there be injustice if there is no truth? Martin Luther King Jr. considered this question in his powerful letter from Birmingham Jail (1963). He was responding to fellow members of the clergy who opposed segregation but rejected civil disobedience, which involved breaking the law. His central point was that laws may be just or unjust. We have a duty to obey just laws and to oppose, even defy, unjust laws. We need to recognize that both kinds exist and learn how to tell the difference. Referring to the examples of Nazi tyranny under Hitler and the 1956 Hungarian revolution against communist tyranny, King writes, “We should never forget that everything Adolf Hitler did in Germany was ‘legal’ and everything the Hungarian freedom fighters did in Hungary was ‘illegal.’ It was ‘illegal’ to aid and comfort a Jew in Hitler’s Germany. Even so, I am sure that, had I …