Donald Trump's war in Iran has been polling badly among many of the groups that voted for him in 2024, and that matters as crucial midterm elections are just over six months away.

These elections take place two years into the presidential cycle, with voters able to choose who runs Congress. Currently, the Republicans control both the Senate and the House of Representatives, giving the president freedom to enact his agenda.

So how exactly do the midterms work and how much would change for Donald Trump if his Republican party has a bad night?

Niall is joined by US correspondent and co-host of the Trump100 podcast, James Matthews.

For more on politics in the US, listen to Trump100 on your podcast app: https://podfollow.com/trump100/view