Wisconsin has one of the longest traditions of holding presidential preference primaries in the United States. Here is every primary winner the state has produced in the modern political era.
Sources: Wisconsin Blue Book, Wisconsin Government Accountability Board, Wisconsin State Journal archives, New York Times archives, Associated Press
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Clinton recently described Sanders as a "pie-in-the-sky" politician making promises he can't keep.
See how the candidates for president and U.S. Senate are faring in the latest polls of Wisco…
The poll is the first since the GOP field narrowed to three candidates and comes as the race has shifted to Wisconsin.