Maine first to approve ranked-choice voting for presidential general election

Mainers will be the first voters in the country to use ranked-choice voting in a presidential general election, after Gov. Janet Mills announced she would accept legislation allowing the new system.

Mills, a Democrat, announced Friday that she would permit a bill passed during a special legislative session in August to become law without her signature. But she said it would not take effect until after the 2020 Democratic primary.

By delaying the law's start date, Mills said she was hoping the Maine legislature would appropriate additional funds and take...