Whether the Sentencing Commission's commentary to its definition of 'controlled substance offense' in U.S.S.G. § 4B1.2(b) to include inchoate offenses like aiding and abetting, conspiring, and attempt crimes is inconsistent with the text of § 4B1.2(b) itself, and is therefore not entitled to deference by sentencing courts?

QUESTION PRESENTED Whether the Sentencing Commission’s commentary to its definition of “controlled substance offense” in U.S.S.G. § 4B1.2(b) to include inchoate offenses like aiding and abetting, conspiring, and attempt crimes is inconsistent with the text of § 4B1.2(b) itself, which does not include reference to any inchoate offenses, and is therefore not entitled to deference by sentencing courts? (i)