Is the Sentencing Commission's delegated authority over retroactive sentence reduction proceedings constrained by the general purposes of the Commission and the aims of sentencing as set out in 18 U.S.C. § 3553(a), 28 U.S.C. § 991(b), and 28 U.S.C. § 994?

Under the equal protection component of the Due Process Clause, does the exclusion of defendants who established grounds for variance or departure at their original sentencings from eligibility for sentence reductions under 18 U.S.C. § 3582(c)(2) fail rational basis scrutiny because the discrimination neither furthers nor is connected in scope to a legitimate government purpose?

Is the Sentencing Commission's delegated authority over retroactive sentence reduction proceedings constrained by the general purposes of the Commission and the aims of sentencing as set out in 18 U.S.C. § 3553(a), 28 U.S.C. § 991(b), and 28 U.S.C. § 994?