In this episode of Guardian Australia’s US politics podcast, co-hosts Reged Ahmad and Jonathan Yerushalmy take a look at the midterms, which are coming up in early November. All 435 house seats are up in this election as representatives only serve fixed two-year terms. In the Senate, 35 of 100 seats are up for grabs too, as senators serve six-year terms.

There are many predictions of a blue wave – a big win for the Democrats, who are tipped to take back the House and Senate. But are pollsters being too optimistic? What are the factors that could instead allow the Republican party and the Trump administration to hold onto power in Congress? They also look at why the US ambassador to Greece, Kimberly Guilfoyle, has been ousted from her job – and whether criticism of the new White House press secretary, Katie Zacharia, is fair

• Abdul El-Sayed: Democrats must ‘win by massive numbers’ to fend off Trump election denial

• Federal judge orders temporary halt to taxpayer-funded pro-Trump TV ads

A warning for this episode - it covers details of a murder and an execution that some might find distressing.

In this episode of Guardian Australia’s US politics podcast, co-hosts Jonathan Yerushalmy and Reged Ahmad examine what happened when the state of Tennessee tried to execute prisoner Christa Pike. They also look at the controversy over taxpayer-funded ads promoting US president Donald Trump, midterm AI attack ads and the Elon Musk-Trump bromance that appears to be back on.