Democrat Mary Peltola has won the race for Alaska’s at-large congressional seat, NBC News projected Wednesday, defeating former governor and GOP vice presidential nominee Sarah Palin. While the election was held earlier this month, the race was not called for weeks because of Alaska’s new ranked-choice voting system where voters rank the candidates in order of preference. After the first round of voting, Peltola led Palin by more than 20 percentage points, with Republican Nick Begich, a scion of one of Alaska’s most well-known political families, in third. But because Peltola failed to win more than 50 percent, the voting...