What is ‘ranked choice voting,’ and which state is using it for the presidential election?

By DAVID SHARP | Associated Press
PORTLAND, Maine — Ranked choice voting will be used for the first time in a presidential race in the U.S. under a ruling Tuesday by the Maine Supreme Court, which concluded a GOP-led petition drive intended to prevent its use came up short.
The Supreme Judicial Court concluded the Maine Republican Party failed to reach the threshold of signatures needed for a “People’s Veto” referendum aimed at rejecting a state law that expands ranked ch