“The Simpsons” voice actor Pamela Hayden, who played Milhouse and a variety of other characters, announced she is retiring from the show after 35 years. Her final episode will be “Treehouse of Horror Presents: Simpsons Wicked This Way Comes,” airing Nov. 24. Hayden voiced Milhouse Van Houten, the blue-haired best friend of Bart Simpson, as […]