Has the Sentencing Commission overstepped its congressional authority?

QUESTION(S) PRESENTED _ Has the Sentencing Comnission overstepped its congressional authority granted it under 28 U.S.C. § 994 when, with no specific congressional diirective given, the — ° Commission expanded. the definition of “minor, already codified under 18 U.S.C. : § 2256(1), to include undercover law enforcement officers posing as a person under . ) “the ‘age of 18 years? . ‘ : . Can the Sentencing Commission use its own amendment process to change unambiguous , _ definitions Congress has already codified instead of seeking and being granted a mo . specific congressional directive to do so? sos : . Can U.S.S.6. § 2G2.2(c)(1) be applied based on the Sentencing Commisions . ; defintion of 'minor' when only an undercover law enforcement officer posing as | a person who has not attained the age of 18 years is involved? . ; , | | . 1 . i ¢ . . ; . .