The death of George Floyd on May 25, 2020, and the ensuing trial of Derek Chauvin for murder a year later has rubbed raw the bloodiest stain on the United States' history and its world reputation. The nine minutes and twenty-nine seconds during which Chauvin's knee crushed the spark of life out of Floyd was not unusual in the history of the United States. Before the US Civil War, slaves were routinely beaten to death for disobeying orders or running...