Above: Avon Theatre director of film programming Adam Birnbaum speaks with Harry Shearer on Monday, July 25, 2011. (Photo/Keelin Daly). Writer, humorist and longtime star of &amp;#8220;The Simpsons&amp;#8221; Harry Shearer stopped by Stamford&amp;#8217;s Avon Theatre on Monday, July 25 to talk about his new documentary, &amp;#8220;The Big Uneasy.&amp;#8221; In the film, Shearer challenges the disaster [...]