Whether a district court's imposition of a term of supervised release double the Guidelines range without first calculating the range or providing an explanation for the variance should be presumed to affect the defendant's substantial rights under plain-error review

QUESTION PRESENTED FOR REVIEW When a district court imposes a term of supervised release double that of the Guidelines range without first calculating the range or providing an explanation for the variance, should an appellate court presume for purposes of plain-error review under Federal Rule of Criminal Procedure 52(b) that the error affected the defendant's substantial rights. prefix