As a prank to make him look foolish, the older boys of Walnut Grove school nominate the object of their practical jokes, gentle Elmer Dobkins, to run for class president against popular Mary Ingalls and wealthy Nellie Oleson. While Mary and Nellie wage their campaigns with promises of popcorn and gum balls, Mr. Dobkins witnesses his son being teased by the older boys and, when he finds out why Elm