A Supreme Court justice said he won't participate in a case determining if public sector workers regain bargaining rights.

Hagedorn's recusal marks a major blow to Republicans' hopes of a favorable ruling in their quest to uphold the 2011 law that gutted public sector collective bargaining in Wisconsin

The Republican-controlled Wisconsin Legislature on Tuesday asked that a liberal state Supreme Court justice step aside in a pending case that seeks to overturn a 2011 law that effectively ended collective bargaining for most state workers.