Supreme Court grapples with Arizona election rules in voting rights dispute

The Supreme Court wrestled Tuesday with the legality of two election rules from the battleground state of Arizona — one involving the return of absentee ballots and the other, out-of-precinct provisional ballots — in a case that could impose new limits on the landmark Voting Rights Act.

Voting rights advocates fear that if the high court sides with Arizona Republicans, it could dismantle Section 2 of the Voting Rights Act, one of the remaining enforcement mechanisms in the 1965 law, after striking another provision eight years ago.

"Some things...