Is ignorance the path to success? Albert Nerenberg's documentary "Stupidity" (2003) sets out to discover if intelligence is a liability in America. Examining icons from "Jackass" to George W Bush, this entertaining cultural odyssey that takes in TV programming, IQ tests and more evidence that explains the "dumbing down" of contemporary culture. As a culture, we have access to more knowledge and information than ever before. So how is it that we continue to celebrate stupidity? It's a mystery this documentary aims to crack.