What Religious Leaders Say About Labor Unions

There is a good article from the Milwaukee Journal Sentinel that discusses what church leaders say about labor unions. Here's the link:
http://www.jsonline.com/news/milwaukee/116450358.html

Catholic bishops and popes have strongly supported the right to unionize, as have other religious leaders (the Journal Sentinel article also mentions support by Methodists and Jews). Unionization and collective bargaining are basic human rights.