EDITORIAL NOTE: This blog post was originally published on the Huffington Post.

Not one, but two critical voting rights cases will be argued before the U.S. Supreme Court this year. The first crucial test comes this week when the Supreme Court hears arguments in the case of Shelby County, Alabama v. Holder. At stake is the constitutionality of Section 5 of the Voting Rights Act of 1965 (VRA), the landmark legislation that outlaws racial discrimination in state voting practices, and its critical enforcement mechanism. Just weeks after arguments in the Shelby case, the Court will take up Arizona v. Inter Tribal Council and decide whether the National Voter Registration Act (NVRA) prevents states from restricting the voter registration process for an ever more mobile electorate. The Court's decisions in these two cases will set the framework for election efforts for decades to come.

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