Whether the Court should clarify how a defendant who challenges the substantive reasonableness of a within-Guidelines sentence may rebut an appellate presumption of reasonableness

QUESTION PRESENTED FOR REVIEW Whether the Court should clarify how a defendant who challenges the substantive reasonableness of a within-Guidelines sentence may rebut an appellate presumption of reasonableness of the type recognized in Rita v. United States, 551 U.S. 338 (2007).