Republican groups say they contacted nearly 750,000 voters over this year . Republicans have contacted 4 million voters the weekend . While the anti-Walker fervor may have waned since protests consumed the state capitol grounds in early 2011 , insiders here predict that turnout on both sides is likely to be higher than it was for the original Walker-Barrett race . The recall fight stems from a battle over collective bargaining rights for public employees . Democratic Gov . Scott Walker faces off against Republicans Tom Barrett , mayor of Milwaukee .
Republican groups say they contacted nearly 750,000 voters over this year . Republicans have contacted 4 million voters the weekend . The recall fight stems from a battle over collective bargaining rights for public employees . Democratic Gov . Scott Walker faces off against Republicans Tom Barrett , mayor of Milwaukee .