Wisconsin Lieutenant Gov. Rebecca Kleefisch speaks to delegates at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Lieutenant Gov. Rebecca Kleefisch waves to delegates at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
** FILE ** Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Gov. Scott Walker speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Wisconsin Sen. Ron Johnson, R-Wis., speaks at the Republican party of Wisconsin State Convention Saturday, May 3, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Milwaukee Brewers starting pitcher Wily Peralta throws to the Chicago Cubs during the first inning of a baseball game on Sunday, April 27, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Milwaukee Brewers' Aramis Ramirez reacts to a called strike during the sixth inning of a baseball game against the Chicago Cubs, Sunday, April 27, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Chicago Cubs' Starlin Castro hits a home run against the Milwaukee Brewers during the second inning of a baseball game on Sunday, April 27, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Milwaukee Brewers' Carlos Gomez cannot reach a home run hit by Chicago Cubs' Starlin Castro during the second inning of a baseball game on Sunday, April 27, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Chicago Cubs starting pitcher Jason Hammel throws to the Milwaukee Brewers during the first inning of a baseball game on Sunday, April 27, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)