At a NATO summit, held in Washington, marking 75 years of the alliance, the focus is firmly on the health of the host - the US president Joe Biden. He's expected to speak at a press conference which is being described as a 'make or break' moment. Despite his insistence that his disastrous performance in that television debate with Donald Trump will not stop him from seeking re-election in November, there are growing voices on his own side who no longer see it that way. We speak to a Democratic pollster who worked on Barack Obama's presidential campaign.

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We reflect on the life and work of actor Shelley Duvall, who has died at the age of 75.