PoliticsUS midterms: Could prices and the Iran war turn a traditional Republican stronghold?

The US midterm elections are due on 3 November. Recent polls give Democrats a slight edge as they seek House seats and aim to retake the Senate. In Iowa, a Republican stronghold that backed Trump in the past three presidential elections, rising prices and the Iran war have angered some voters. BBC reporters visited to hear whether those issues could shift votes and control of Congress.