Here's a great clip of South Park creators Trey Parker and Matt Stone explaining this point to a group of film students: http://www.nytimes.com/video/2011/09/0

Here's a great clip of South Park creators Trey Parker and Matt Stone explaining this point to a group of film students: http://www.nytimes.com/video/2011/09/07/arts/television/100000001039812/a-clip-from-stand-in.html http://www.nytimes.com/video/2011/09/07/arts/television/1000...