As a result of geographic shifts in population uncovered by the 2010 Census, nine congressional seats will move to right-to-work states from forced unionization states. Some winners are Texas, Florida, Arizona, Georgia, and South Carolina, while losers include New York, Ohio, Michigan, Illinois, and New Jersey.
Forced unionization is a lot like forced health care, Americans are not fond of forced things. My source for the quote is an article by Diana Furchtgott-Roth from RealClearMarkets.