Whether the district court is obligated to consider a defendant's non-frivolous arguments in exercising its discretion to grant relief in a motion for a reduction in sentence pursuant to 18 USC § 3582(c) in light of this Court's ruling in Concepcion v. United States.

Whether the district court is obligated to consider a defendant's non-frivolous arguments when exercising its discretion to grant or deny relief under 18 U.S.C. § 3582(c)(1)(A)