Several 2020 Dem primaries, caucuses will use RCV
While contests in 11 states on March 3 will elect the most delegates in the 2020 presidential primaries, its April 4 -- and the party-run primaries in Alaska and Hawaii -- that might actually transform our politics. Both states plan to use ranked-choice voting to elect their delegates to the Democratic National Convention. ...
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... Democrats require early voting in caucus states, and those early voters will likely cast RCV ballots in two of the first three contests: Nevada and Iowa. RCV ensures more people can participate by voting early without losing the power that caucus attendees have to move to their second choice if their first choice cant win delegates.
Caucuses have downsides tied to lower turnout, but caucus states can look to RCV because they can more nimbly adopt sensible voting rules. Taking the longer route of changing state law, Maine may extend its historic application of RCV in congressional races to both the presidential primary and general election under legislation sponsored by its Senate president.
https://www.realclearpolitics.com/articles/2019/04/13/ranked-choice_voting__super_saturday_in_alaska_hawaii.html
An interesting development.