Today in Focus

A series of figures in the tech world have been warning about – and even resigning over – the existential threat posed by AI. How worried should we be? With technology editor Robert Booth. Help support our independent journalism at theguardian.com/infocus

25 years on from the terror attacks that killed almost 3,000 people in New York City, Washington DC and Pennsylvania, the dark legacy of September 11 continues to unfold in the US and across the world. A throughline can be drawn from that day in 2001 to much of the geopolitics and conflicts of today. Annie Kelly speaks to the Guardian’s international security correspondent, Jason Burke, about how 9/11 changed the world – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

The UK foreign secretary has drawn rage and respect after announcing trade sanctions on Israeli settlers. Heather Stewart explains how – and why – Ed Miliband got tough. Help support our independent journalism at theguardian.com/infocus

Donald Trump has pledged a payment of $5,000 to every adult American citizen if the Republicans win in the November midterms. The outlandish proposal, which would cost over $1tn, immediately raised legal and ethical concerns. It comes as the president’s approval rating has hit a record low, hovering at about 38%. Lucy Hough speaks to global editor Devika Bhat – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Nurse Teun Toebes and filmmaker Jonathan de Jong argue for a radical new approach to treating – and giving freedom to – people with dementia, showcased in their film and book, Human Forever.. Help support our independent journalism at theguardian.com/infocus