From the Wall Street Journal:

 Don Zimmerman got elected to the local utility board in 2002. One of his goals was to move the polling station from a neighbor’s inconveniently located garage to an elementary school three blocks away.

His effort barely registered among the 3,500 residents of Mr. Zimmerman’s suburb, Canyon Creek. But it turned out to have much broader ramifications. It prompted a case now before the Supreme Court that could bring the biggest change in election law since 1965, when Congress passed the Voting Rights Act.

The case, which the high court will hear on April 29, focuses on Section 5 of the Voting Rights Act. The clause requires state and local governments deemed to have historically suppressed minority votes to obtain Justice Department approval before altering election practices — even something as minor as moving a polling station.

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