MADISON, WISCONSIN - JUNE  5:  Voters cast their ballots in a recall election for the governor and lieutenant governor at the Wil-Mar Neighborhood Center June 5, 2012 in Madison, Wisconsin. Milwaukee Mayor Tom Barrett, a Democrat, is trying to unseat Republican Governor Scott Walker in the recall election. Opponents of Walker forced a recall election after the governor pushed to change the collective bargaining process for public employees in the state.  (Photo by Andy Manis/Getty Images)