Wisconsin was dominated alternately by the Republican and Progressive parties in the first century of its existence, but has been more competitive since then.
On November 21, 2016, U.S. Circuit Judge Kenneth Francis Ripple, joined by District Judge Barbara Brandriff Crabb held that the Republican's 2011 redistricting was unconstitutional partisan gerrymandering, over a dissent by District Judge William C. Griesbach [REF].