What is the origin of simulacra like the current President of the United States? When I argue that Bush is not "real," I do not mean that he was manufactured in a secret factory, owned by a corporation like the Karp Cartel and controlled by a powerful conspiracy. But I will speculate that in a post-literate, hyperreal world, those accretions of historical time and psychological reflection that produce subjectivity tend to disperse before they constitute a deep, coherent self. The result can be a personality like that of Bush -- intellectually narrow, emotionally shallow, working with an abridged vocabulary, like a novice in a foreign language class. He is a commodity produced by contemporary American culture, with its bizarre admixture of consumerism, television, worship of celebrities, and glib Christian fundamentalism. Other cultures in other periods have produced personalities limited in different ways -- the provincial peasant, for example, who has never been more than a mile from his birthplace. Unlike the peasant, the contemporary flat personality knows that other countries, other cultures, other religions exist -- but in his solipsism they remain "unreal" to him, mere delusions to which other people, themselves mere figments, display an irrational attachment....
http://www.ctheory.net/articles.aspx?id=427