The majority of voters going to the polls Aug. 16 will likely be choosing one of three candidates for Alaska’s U.S. Senate seat as their pick-one primary option: incumbent Republican Lisa Murkowski, Republican Party-endorsed Kelly Tshibaka or Democratic Party-endorsed Patricia Chesbro. It’s the top four candidates, though, who will advance to the November ranked choice voting general election. Sixteen other names are on the ballot. When asked who the fourth candidate will be, most political insiders didn’t know or hadn’t given it much thought. But a few names float to the top. “I think it is anybody’s guess,” said Amber...