Why Joe Biden pardoned his son

The US government has been forced to pay billions in refunds to companies that were hit by Donald Trump’s ‘liberation day’ tariffs. The US has paid out $81bn (£61bn) this fiscal year after the supreme court ruled the tariffs were illegal. Lucy Hough speaks to Chris Michael, the International editor for Guardian US – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Sperm counts are in decline worldwide, and testosterone levels are said to be plunging, but male infertility still carries a stigma. Prof Michael Carroll on what every man should know. Help support our independent journalism at theguardian.com/infocus

Counter-terrorism police are now leading the investigation into the death of the former MP and Reform UK spokesperson Ann Widdecombe, in light of ‘new information and evidence’. A 28-year old white British man from Rotherham, South Yorkshire, was arrested on suspicion of murder on Saturday. Lucy Hough speaks to the Guardian’s head of national news, Archie Bland – watch on YouTube. Help support our independent journalism at theguardian.com/infocus

Senior China correspondent Amy Hawkins on China’s embrace of AI, from medical avatars to food delivery drones and state surveillance. Help support our independent journalism at theguardian.com/infocus

There is just one week to go until the winner of the World Cup is crowned, and it has been a memorable tournament, not least due to the extraordinary intervention by Donald Trump this week that shocked the football world. Lucy Hough speaks to global sports business correspondent Matt Hughes – watch on YouTube. Help support our independent journalism at theguardian.com/infocus