The Supreme Court on Monday agreed to take up Wisconsin's appeal of a lower court ruling that state Republican lawmakers violated the U.S. Constitution when they redrew electoral maps for the partisan aim of hobbling Democrats in legislative races.
The justices will review a November ruling that the Republican-led legislature's redrawing of state legislative districts in 2011 amounted to "an unconstitutional partisan gerrymander," a term meaning manipulating electoral boundaries for an unfair political advantage.
A panel of three federal judges in Madison ruled 2-1 that the way the Republicans redrew the districts violated the U.S. Constitution's guarantees of equal protection under the law and free speech by undercutting the ability of Democratic voters to turn their votes into seats in Wisconsin's legislature.
The Supreme Court has been willing to invalidate state electoral maps on the grounds of racial discrimination, as it did on May 22 when it found that Republican legislators in North Carolina had drawn two electoral districts to diminish the statewide political clout of black voters.
But the justices have not thrown out state electoral maps drawn simply to give one party an advantage over another.
A Supreme Court ruling faulting the Wisconsin redistricting plan could have far-reaching consequences for the redrawing of electoral districts due after the 2020 U.S. census. State and federal legislative district boundaries are reconfigured every decade after the census so that each one holds about same number of people.
Under the Wisconsin redistricting plan, Republicans were able to amplify their voting power, gaining more seats than their percentage of the statewide vote would suggest. For example, in 2012, the Republican Party received about 49 percent of the vote but won 60 of the 99 seats in the state Assembly. In 2014, the party garnered 52 percent of the vote and 63 state Assembly seats.
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