Joni Ernst's retirement decision may shake up Senate map

The 2026 midterm map may appear much more favorable for Democrats after it was reported on Friday that Senator Joni Ernst of Iowa is not likely to run for reelection.

- John Bowden, The Independent

In her second term, Ernst's relative youth at 55, when compared to other members of the aging chamber, and her proven ability to win statewide was seen as a key asset for Senate Republicans hoping to hold their majority in the chamber next year. The Republican Party controls 53 seats in the Senate. Vacancies in Ohio and North Carolina were previously expected to give Democrats an opening to whittle down that majority to almost nothing. CBS News first reported on Friday that Ernst had informed confidantes of her decision not to run. An official announcement is reportedly coming in the week ahead. The Independent reached out to her office for comment and the report was separately confirmed by CNN. Ernst and her team haven't yet commented publicly. Her departure would shake up the Senate map and give Democrats a clear path to a 50-50 Senate, where JD Vance would be needed to break ties and singular Republican defections would tank any movement in the chamber. There's even a slim but growing possibility of Democrats obtaining an outright majority: besides seats in Ohio and North Carolina, which are vacant and already targeted by well-funded and deeply connected Democratic candidates, the party is eyeing races in Maine, where Susan Collins is facing reelection, as well as in Texas.