Natural human language-use entails moral obligations, specifically objective obligations between persons. All of these obligations are routinely broken (see Twitter). These obligations are both objective and social. They depend on being objective and not merely an expression of a particular preference or culture. They also depend on the existence of a social context composed of more than one person. As Nicholas Wolterstorff claims, “speaking is, through and through, a normative engagement.” Wolterstorff suggests three norms and provides examples: (i) speech should be related rightly to the mental state of the speaker. If the speaker asserts something he ought to believe it. If the speaker promises something, he ought to intend to fulfill the promise. If the speaker requests something, he ought to want it. (ii) speech should be rightly related to the facts. A speaker ought not to assert what is false or proclaim someone guilty who is innocent. (iii) speech should ...