Audiences turn a deaf ear to preachy Hollywood films | MiamiHerald.com

"With the occasional exception - like 'An Inconvenient Truth,' which had the weight of the media and the government establishment pushing for its untrue idea of global warming - no one particular film is going to make large numbers of people change their minds," [Politically conservative novelist and screenwriter Andrew Klavan] says. "So they end up preaching to the choir."