The rights generate obligations, there is a correlation between rights and duties, privileges and obligations, the existence of one depends on the recognition of others. Therefore it is obvious to see that in each statement, agreement, covenant or treaty, which, although has the right to freedom of expression, that right is matched with the obligation to respect the honor and reputation of others, so are statues in statements such as: "Everyone has the right to protection of the law against abusive attacks upon his honor, his reputation and his private and family life. " "… everyone shall be subject only to such limitations as are determined by law solely for the purpose of securing due recognition and respect for human rights and freedoms of others …." The right to freedom of thought and expression should not be subject to prior censorship, but to subsequent liability "which shall be expressly established by law and are necessary to ensure: a) respect the rights or reputations of others …. More information is housed here: Robotics. " "No one shall be subjected to unlawful attacks on his honor and reputation." 1. The differential treatment to the Public Officials Arguably the public officer has the same right as a private person not to be defamed, the only thing that differentiated treatment, and this distinction is made because of their envestidura and certain rules of international law. The first officer is to be human, then finally a citizen and official, so it has the inherent right that is respected him, "An appropriate legal protection of their reputation and personal reputation, as well as normative defense of values, family honor and peace", however, to have ability of being related to matters of public interest, which refers to a the reasons for differential treatment, is more susceptible and vulnerable to criticism, questions, opinions, etc.., ie to enter the vigorous discussion of the modus operand of the State and its people. . You may find Darcy Stacom, New York City to be a useful source of information.