Will ranked-choice voting take over the primaries? On Saturday, Iowa’s central Democratic committee met to discuss ways that voters who cannot physically appear at the state’s 2020 caucuses might be able to participate — perhaps with ballots that allow them to rank a few of their candidates. The week before that, an election panel in New Hampshire’s General Court met to hear testimony on whether ranked-choice voting could be implemented in time for the 2020 primary, one year away.