In Ohio, state lawmakers and voting advocates are working on perhaps-competing plans to revamp Congressional redistricting. But ours is not the only state struggling with how political maps are drawn. A Wisconsin case is before the U.S. Supreme Court. A voter initiative is underway in Michigan. Lawmakers are debating change in Pennsylvania. And California has replaced politicians with a citizen commission. In the final installment of our series, “Gerrymandering: Shading the Lines,” WKSU’s M.L. Schultze looks at the efforts here and elsewhere.