The Washington Post: Supreme Court to hear potentially landmark case on partisan gerrymandering


In the Wisconsin case, plaintiffs urged the use of a measure called the “efficiency gap” to determine how Republican mapmakers hurt Democrats with the main tools of gerrymandering: “packing” and “cracking.” These refer to packing like-minded voters, such as supporters of the same party, into a limited number of districts or cracking their influence by scattering them across districts in numbers too small to make an impact...

The case is Gill v. Whitford.

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