Dana Ferguson

This time next year, anyone logging onto social media in Minnesota will see a warning that the sites can harm their mental health. Social media companies want to block enforcement of the new law. A law in New York may not be too far behind.

Supporters say the pop-up messages could encourage Minnesotans, especially kids, to think twice about how much time they spend on sites. Social media companies argue that the law is heavy-handed.

Supporters hope the chair of the Democratic Governors Association, ex-Army National Guard leader, former teacher and congressman can help Harris pick up support in the Midwest.