Whenever you communicate with others, you make decisions about how best to do so. Lying, deception, withholding, or revealing information are almost always options for us. Philosophy Professor Thomas Carson defines the differences between these related concepts. There are important ethical theories that inform us about the morality of lying and deception, and these can be applied to politics. Attention is given to historical examples and problems created by the internet and AI and of cases in personal and professional life.