Where the Voting Rights Act stands after the Supreme Court punts on a Louisiana case

Demonstrators walk in Selma, Ala., in March with a sign saying "UNITE TO FIGHT FOR VOTING RIGHTS" to commemorate the 60th anniversary of the Bloody Sunday march that galvanized the passage of the Voting Rights Act of 1965.

The Supreme Court delayed ruling on a Louisiana congressional redistricting case that some legal experts say could end up further weakening protections against maps that dilute minority voters' power.

(Image credit: Michael M. Santiago)