We are sick and tired of hearing about how dumb people in the South are. We challenge any so-called smart Yankee to take this exam administered by the University of Arkansas Engineering Department: 1. Calculate the smallest limb diameter on a persimmon tree that will support a 10-pound possum. 2. Which of these cars will rust out the quickest when placed on blocks in your front yard? A '65 Ford Fairlane, a '69 Chevrolet Chevelle or a '64 Pontiac GTO. 3. If your uncle builds a still which operate…