Tina Fey, Amy Poehler and Maya Rudolph are among host of stars to honor Carol Burnett

^{Julie Andrews, Tina Fey and Tony Bennett are among the stars set to pay tribute to Carol Burnett, the 2013 recipient of the Kennedy Center’s annual Mark Twain Prize for American Humor. Tim Conway and Vicki Lawrence, two of the regular cast members on “The Carol Burnett Show, will also celebrate the 80 year-old’s career at the Oct. 20 salute at the Kennedy Center, which PBS will broadcast nationwide Nov. 24.}