In a recent Fourth Circuit case (United States v. Slager, 912 F.3d 224, 237 (4th Cir.), cert. denied, 139 S. Ct. 2679, 204 L. Ed. 2d 1080 (2019)), the court reminded litigants in a footnote that judges exercise "wide discretion" in sentencing and that the rules of evidence do no…