When trial becomes a luxury, retrial can start to look downright decadent. Scholars have documented the “vanishing trial” in recent decades, exploring the various causes and effects of declining trial rates. Retrial, if mentioned at all, is portrayed as a relatively inefficient vehicle for error correction at best. At worst, it is seen as a threat to the sanctity of the ever-rarer jury verdict. But the jury trial is only endangered, not yet extinct. And continuing to protect the constitutional right to a jury requires appreciating the role of retrial within the due-process framework. When the jury’s verdict contradicts the great weight of the evidence, the trial judge is authorized to set aside that verdict and order a new trial. This power...