In the next several weeks the Supreme Court is expected to rule on the constitutionality of the requirement that several states, mostly in the South, get “pre-clearance” from the Justice Department before they make any changes to their election laws. The requirement was part of the Voting Rights Act of 1965, which was an emergency measure to outlaw the profound racial discrimination that was disenfranchising African-Americans.

The justices won’t necessarily find a rationale for their decision based on current election polling data. Nevertheless, the experience of voters in recent elections will no doubt be illuminating to the justices, and to all Americans who are concerned with voting rights

Read the commentary on the Wall Street Journal site.