A conservative Wisconsin Supreme Court justice said Thursday he will not participate in a pending case that will determine whether tens of thousands of public sector workers regain collective bargaining rights that were taken away by a 2011 law.

Susan Crawford and Brad Schimel bring their political histories — and partisan backers —to the race for the Wisconsin Supreme Court.

Two years after Wisconsin was subject to the most expensive judicial race in U.S. history, the ideological leaning of the Wisconsin Supreme Court is yet again in the hands of voters in the state’s April election.