The president has shifted the commission's voter fraud investigation to the Department of Homeland Security. Some see that as a boon to the cause, while others say it could be problematic, especially for immigrants.
The justices heard arguments on Wednesday in an Ohio case about when it's legal to kick inactive voters off registration lists. It's part of a larger debate about voting rights that has been heightened by President Trump.
More than a dozen cases on partisan and racial gerrymandering are winding their way through the court system. Two cases, in particular, could become two of the most important this decade.