Democrats Get a New Worry in Supreme Court Wins on Congress Maps

The U.S. Supreme Court on Monday gave Democrats a short-term win on congressional voting maps -- and fresh cause for worry about the future of the country’s election laws.

Over three dissents, the justices left in place a court-drawn North Carolina map that could help Democrats win a handful of races in the November election. The map replaced a Republican-crafted one that the North Carolina Supreme Court concluded was so partisan it violated the state constitution.

But along the way, four conservatives justices said they wanted to consider a far-reaching legal theory that would shift more federal election power to ...