With more proposals at statehouses to restrict voting following the 2020 election, the Supreme Court is considering a case that could make it harder to challenge such laws in federal court.

In a just-argued case challenging out-of-precinct voting and ballot harvesting prohibitions in Arizona, the justices will decide how to measure whether voting restrictions unconstitutionally discriminate against minorities or are simply the "ordinary burdens" of voting.

University of Iowa law professor Derek Muller joins Cases and Controversies to discusses the importance of the case beyond the battleground Grand Canyon State.