it may evolve into a monograph. >> host: well, robert gooding-williams, and the current book, "in the shadow of dubois: afro-modern political thought in america." professor robert gooding-williams teaches at the university of chicago. >> you're watching 48 hours of nonfiction authors and books on book tv. >> host: university of chicago professor john mearsheimer, who do politicians like to? >> guest: basically to two audiences. one, they lied to foreign audiences. other leaders and their publics. to, they lied to their own people. >> host: to him today tell the truth? >> guest: they rarely lied to foreign audiences and rarely lied to their own people. if you think about it it makes sense. it would not make any sense to live. lying is most effective when you don't do it very often. so therefore europe are in a position to catch people off guard. >> host: you put some examples on my leader's line about american presidents. some specific examples.

the author is university of chicago professor robert gooding williams. ofessor gooding williams, why thisl