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Primary Election Day in Wisconsin

Mike Conroy

A voter casting a ballot in De Pere for the 2012 Primary Election Photo: Image by Jonathan Gregg, NBC26 News

Primary Election Day in Wisconsin

By Mike Conroy. CREATED Aug 14, 2012

MILWAUKEE (AP) -- Primary election polls are open across Wisconsin.

A four-way Republican race for the U.S. Senate is at the top of the ticket and is the only statewide

contest. Two congressional districts and dozens of legislative races are also on the ballot.

The state's Government Accountability Board predicts 20 percent of eligible voters will turn out for Tuesday's primary in Wisconsin. That's about 870,500 voters.

You don't need a photo ID to vote in this election, but you must sign the poll book. Polls are open until 8 p.m.