Whether a combination of 'extraordinary and compelling reasons' under 18 U.S.C. § 3582(c)(1)(A) can include reasons also alleged as grounds for vacatur under 28 U.S.C. § 2255

QUESTION PRESENTED This case presents an important question of statutory interpretation involving a frequently litigated provision of federal criminal sentencing law, and on which the circuits have intractably split, namely: Whether a combination of “extraordinary and compelling reasons” that may warrant a discretionary sentence reduction under 18 U.S.C. § 3582(¢)(1)(A) can include reasons that may also be alleged as grounds for vacatur of a sentence under 28 USS.C. § 2255? i