Whether a federal court of appeals should vacate the sentence when the district adopts the invalid reasoning of a Presentence Report to resolve a factual or legal dispute, or whether this error may be excused if the court of appeals can identify from its own review of the record a valid hypothetical alternative basis for the district court's ruling?

QUESTION PRESENTED Whether a federal court of appeals should vacate the sentence when the district adopts the invalid reasoning of a Presentence Report to resolve a factual or legal dispute, or whether this error may be excused if the court of appeals can identify from its own review of the record a valid hypothetical alternative basis for the district court’s ruling? i