So Jan gets a job driving a school bus. The first day of school, Jan is given the bus she's to drive. She's driving an elementary-school route, so the inside of the bus has been decked out with Sesame Street characters; muppets pasted on every wall. Jan shrugs and gets started on her route. The first kid is a super fat little girl. ""Hi, I'm Patty!"" Says the kid. Jan shrugs. Then heads up the street to the next stop, another super chubby girl who gets on saying ""Hi, my name's Patty!"" Jan cons…