The ability to lie is a defining feature of the social life of higher order primates and humans. Deceiving, concealing, lying and evading are forms of communication which are a basic part of everyday human life. This course will explore the tructure and function of lying, deception and evasion in the course of communication. As we do so we will also explore the nature of truth as it applies to human interaction in the world. Prereq: CMN 457.