Wisconsin voters approved a referendum to be added to the state constitution, requiring photo identification at polling places during the April 1 election, according to Wisconsin Public Radio. The ...

The state has required voters to use photograph identification for nearly a decade, but an amendment to the Wisconsin Constitution was seen as making it more difficult to roll back that rule. By Julie ...

Wisconsin's decade-old requirement that voters show a photo ID is now permanently part of the state constitution after voters approved the referendum question at the bottom of the April 1 ballot.