WASHINGTON - JUNE 29:  "Equal Justice Under Law" is carved into the facade of the United States Supreme Court building June 29, 2009 in Washington, DC.
Will new test help prove gerrymandering?
01:55 - Source: CNN

Story highlights

The decennial line-drawing process has always been a somewhat political endeavor

In most states, state legislators and the governor control the process

CNN  — 

The Supreme Court heard arguments Tuesday on a case with massive political implications for both political parties: Is extreme partisan gerrymandering unconstitutional?

Here’s CNN’s Ariane de Vogue on the case:

“At issue are maps drawn in Wisconsin after the last census that Democrats say were drawn unconstitutionally to benefit Republicans. They argue the maps represent extreme partisan gerrymander and that they prevent fair and effective representation by diluting voters’ influence and penalizing voters based on their political beliefs.”