Iowa Republican Sen. Joni Ernst plans to announce that she will not run for reelection in 2026, a senior Republican official familiar with her decision told ABC News.
Ernst was first elected in 2014.
Sen. Joni Ernst arrives for a closed briefing for members of the Senate Armed Services Committee at the U.S. Capitol, July 29, 2025 in Washington.
Sen. Joni Ernst arrives for a closed briefing for members of the Senat... [2559 chars]