Labor Day is a national holiday originally intended to celebrate the contributions of working men and women. But for most people today it simply means a day off from work—or the day before school...

Labor Day is a national holiday originally intended to celebrate the contributions of working men and women. But for most people today it simply means a day off from work—or the day before school begins. What are some reasons that unions have declined in membership and power? Are there are any reasons to think that organized labor may rebound and increase its strength?