Bart Simpson Actress Nancy Cartwright Believes The Simpsons Will End With Season 40

The Simpsons may only have a few seasons left, according to Bart actress Nancy Cartwright. The voice behind the spikey-haired Simpson son said it's her "opinion" the long-running animated show will end with Season 40 during a conversation on the Inside of You podcast with Michael Rosenbaum. Quite si…