AdvertisementMaine Voters To Decide On Whether They'll Rank Candidates In Future ElectionsJune 10, 2018Steve MistlerfacebookEmailIn an Oct. 2012 file photo, voters cast their votes through absentee ballots for the November election in Cape Elizabeth, Maine. Ranked-choice voting will be put to its biggest test when Maine uses the system in a statewide primary election on June 12, the first time a U.S. state has adopted the voting method. (AP)