When Democrats took control of Congress and the presidency, it raised hopes that real change could happen in a criminal justice system tarnished by racism and police brutality. But federal efforts have stalled and progressive local prosecutors are hitting roadblocks. Why is law enforcement so resistant to reform?The National Sheriffs’ Association’s Jonathan Thompson tells us police are open to some change. We go back to when an amateur video tape shone a light on racist cops. And Boston District Attorney Rachael Rollins explains why she’s stopped prosecuting a number of non-violent crimes.John Prideaux hosts with Charlotte Howard and Jon Fasman.For full access to print, digital and audio editions as well as exclusive live events, subscribe to The Economist at economist.com/USpod See acast.com/privacy for privacy and opt-out information.