Key lawmakers announced a rewrite of the Voting Rights Act on Thursday, creating a test to judge which states are still so discriminatory that they need federal scrutiny of their voting decisions — moving to revive the iconic law just months after the Supreme Court declared part of it unconstitutional. In their June decision, the justices said Congress couldn’t use discrimination from four decades ago to single out states for special federal scrutiny, so the proposal would update the test to look at recent federal court rulings that found a state or municipality violated voting laws. ~snip~ Hans A. von...