The film is currently the fourth highest-grossing political documentary of all time behind ''[[Farenheit 9/11]]'', ''[[March of the Penguins]]'' and ''[[Justin Bieber: Never Say Never]]''.<ref>http://www.boxofficemojo.com/genres/chart/?id=documentary.htm</ref> Jennifer Harper said that it was one of the highest grossing political documentaries of all time.<ref>http://www.washingtontimes.com/blog/watercooler/2013/aug/30/liberal-filmmaker-michael-moore-gets-conservative-/</ref> | The film is currently the fourth highest-grossing political documentary of all time behind ''[[Farenheit 9/11]]'', ''[[March of the Penguins]]'' and ''[[Justin Bieber: Never Say Never]]''.<ref>http://www.boxofficemojo.com/genres/chart/?id=documentary.htm</ref> Jennifer Harper said that it was one of the highest grossing political documentaries of all time.<ref>http://www.washingtontimes.com/blog/watercooler/2013/aug/30/liberal-filmmaker-michael-moore-gets-conservative-/</ref> |