“We’re going to focus on those undecided voters,” Crowley said. Wisconsin Democratic voters grapple with electability, chaotic primary“The divide is real,” Miller, 49, said of the struggle between progressives and more mainstream Democrats. A Marquette University Law School poll of Wisconsin Democratic primary voters conducted in late July, before former Lt. Gov. In Michigan, Democratic Gov. Sanders defeated Clinton in the Wisconsin primary by 13 points that year, before losing the presidency to Trump.