Consider the statement:"Labor unions are dinosaurs that have outlived their usefulness in today's knowledge-based economy."First take a position that defends this point of view, by providing two reasons for its validity.Then take a position that opposes this statement, by providing two reasons why unions might still be needed.Be sure to consider such questions as:Do unions serve a need in some industries such as sports, teaching, medicine, retailing, and so forth?Do unions make the United States less or more competitive globally?