Ay carumba the voice behind Bart Simpson reveals the real story of America's funniest family. Nancy Cartwright is the ultimate Simpsons insider. Her raspy, childlike voice is immediately recognizable as none other than Bart Simpson, the most precocious, irreverent, and intriguing ten-year-old ever to enter the American consciousness. In this behind-the-scenes story Nancy Cartwright tells of the Simpsons' early days, when the...