Sentence:  Even during the Vietnam War, in the Pentagon Papers case, a standing objection would not have barred the assertion of a <WSD>Nuremberg defense</WSD> by those who committed the civil disobedience. 
Meaning of the word marked with <WSD> tags:  An explanation offered as a defense to criminal or wrongful behavior, claiming that one is justified in not obeying a governmental order or a domestic law because the order or law is itself unlawful.