New York City is using ranked choice voting in its Democratic mayoral primary election. Here's how it works: Rather than pick ...

If no one gets the needed two-thirds of votes, the ballots are pierced with a needle and thread, which is then knotted and placed on a tray, and another round of voting is prepared.

If no one gets the needed two-thirds of votes, the ballots are pierced with a needle and thread, which is then knotted and placed on a tray, and another round of voting is prepared.