It’s midnight on the East Coast, and polls have now closed in Hawaii and most of Alaska.Key races to watchAlaska Senate: Dan Sullivan (R) vs. Mary Peltola (D), with additional candidates on the ballot.Alaska Governor: Open-seat contest.Alaska House: At-large congressional seat.What to watch: Peltola’s performance in areas that supported her earlier House campaigns. Alaska’s ranked-choice system and late-arriving ballots mean final results could take considerably longer.Although most polls close at midnight Eastern, Alaska’s final polls close at 1 a.m., when the first statewide results are expected.Meanwhile, plenty of races elsewhere in the country are still undecided, particularly in states with large numbers of outstanding mail ballots.What’s still worth watching as election night turns into election morning?