When former President Donald Trump told the national audience in his first, and likely only, debate against Democratic presidential nominee Kamala Harris that abortion rights are “the vote of the people now,” he was partly right. Since the U.S. Supreme Court reversed Roe v. Wade, in June 2022, voters in seven states (California, Kansas, Kentucky, Michigan, Montana, Ohio, and Vermont) have weighed in on abortion policy via ballot referenda. Abortion-rights proponents won in all seven—some by approving state constitutional amendments ensuring abortion rights and others by preventing more-stringent restrictions from going into effect. In November, voters in ten states—Arizona, Colorado, Florida, Maryland, Missouri, Montana, Nebraska, Nevada, New York, and South Dakota—will vote on ballot measures that seek to include forms of abortion-rights protection in the state…