The federal sentencing guidelines have received sustained criticism from scholars, judges, and practitioners. Critics claim that the guidelines unwisely shift sentencing discretion from federal judges to prosecutors and probation officers; often mandate undeservedly harsh sentences; are complex, mechanistic, and bureaucratic; fail to achieve their goal of reducing sentencing disparity; and clog both district and appellate courts with litigation. Despite the attacks, some critics acknowledge that the guidelines will remain in force for the foreseeable future. While some nonetheless continue to urge abolition, others propose less ambitious reform, including enhancing the procedural protections available to criminal defendants at sentencing. R...