Voters narrowly approved the amendment April 21, but the court's ruling renders the results of that vote meaningless.

By David A. Lieb, Associated Press

Democratic-backed candidate Chris Taylor won election to the Wisconsin Supreme Court on Tuesday, growing the liberal majority on the court as cases affecting congressional redistricting, union rights and other hot button issues await in the perennial battleground state.

Control of the Pennsylvania Supreme Court hangs in the balance in statewide elections.