Don’t Overthink Ranked-Choice Voting, New York City

Last month this board endorsed Kathryn Garcia for mayor of New York City and urged voters to cast a ballot for her in the June 22 Democratic primary. (Early voting begins June 12.)

Normally, that would be the end of it. But this year’s ballot looks different, for mayor and for other citywide races. Instead of having only one choice in each race, New York City voters have the opportunity to rank up to five candidates, in order of preference.

Ranked-choice voting, as it’s known, has been in use for decades around...