The death of George Floyd: will anything change?

Protests have exploded across the US after a video showed Derek Chauvin, a white Minneapolis police officer, kneeling on the neck of George Floyd, an African American man, despite his pleas that he could not breathe. Floyd lost consciousness and died. Paul Butler discusses the history of police killings of black Americans and whether Floyd’s death could be a turning point. Help support our independent journalism at theguardian.com/infocus