A Nobel laureate college professor gets a flat tire... in front of a mental institution. He pulls over and begins to change the tire. After jacking up the car, he takes off the hubcap and removes the nuts. As he turns to get the spare tire, he knocks over the hubcap and spills the nuts down a nearby sewer drain. ""Great. What do I do now?"" he says. One of the inmates at the asylum, watching the scene, says ""Why don't you just take one nut off the other three wheels and use them to get to a rep…