Whether the Sentencing Commission exceeded its statutory mandate

QUESTION(S) PRESENTED I. Whether the Sentencing Commission via commentary exceeded its statutory mandate under § 994(h) by including/aiding and abetting, conspiracy, and = attempt crimes to commit a controlled substance offense under § 4B1.2(b) and to qualify a defendant as a career offender § 4B1.1. II. Whether a statute with alternative elements is considered to be divisible, eventhough it comprises elements that play a role in a defendant conviction, and those same elements have a "definitional portion" under another statute that lists alternative means in its disjunctive. (i)