 On Fresh Air, you'll hear conversations with entertaining people like Nancy Cartwright, the voice of Bart Simpson. I gave him one take, one sound, one voice, and that was it. Blah, blah, blah, blah, blah, blah, blah, blah. And Matt, his eyebrows went up, his tongue came out of his mouth. He's like, oh my God, that's him, that's Bart, that's him. You got the part. The most interesting people in show business tell their stories on Fresh Air.