Why Joe Biden pardoned his son

Guardian columnist Rafael Behr talks through a tumultuous day for Labour and Keir Starmer – following the resignation of health secretary Wes Streeting, and the renewed possibility of a Westminster comeback for Andy Burnham. Help support our independent journalism at theguardian.com/infocus

Wes Streeting has quit his cabinet role as health secretary and called on Keir Starmer to resign as prime minister after days of speculation. But Streeting did not launch his own challenge to trigger a leadership contest, so what could be next for Starmer’s government? And has he left the door open for Andy Burnham to return? Lucy Hough speaks to the Guardian’s deputy political editor, Jessica Elgot. Help support our independent journalism at theguardian.com/infocus

Senior China correspondent Amy Hawkins talks through the high-stakes meeting in Beijing between presidents Trump and Xi. Help support our independent journalism at theguardian.com/infocus

Wes Streeting is expected to launch a leadership challenge against Keir Starmer as soon as Thursday. News of the health secretary’s plans came during the king’s speech, derailing what was supposed to be another chance for the prime minister to reset the political agenda. 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

From supermarkets to corner shops, live facial recognition could be coming to retailers near you. Jessica Murray on the AI systems increasingly used by the police and stores. Help support our independent journalism at theguardian.com/infocus