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A. 1. a.(1)(a) i) a) I A 1 a (1)(a) i) a)@@2*JEHbFH WIBQck QuoteSingle spaced indented quote - Circv C   (  Cd  ( ( ( Footnotes*rsFormats for ASTERISK footnotes'#[ P['CdP# ddf < X01Í Í1*'(Í Í #o P['Cn&P#X` hp x (#%'0*,.8135@8: Mistretta v. United States, 488 U.S. 361 (1989). Congress established the United States Sentencing Commission both to create a more honest sentencing system (through the elimination of parole, see Pub.L. 98!473, 218(a)(5), 98 Stat. 2027) and to create a fairer system by reducing the unjustifiably wide range of sentences [previously imposed upon] offenders with similar histories, convicted of similar crimes, committed under similar circumstances, under the preexisting indeterminate system of sentencing. S. Rep. No. 98!225,  J p.38 (1983). See also Mistretta, supra, at 366.  At the same time, Congress said that the Commission, when reducing disparity, should not sacrific[e] proportionality"the principle that criminal conduct of greater severity should be punished more harshly than less serious conduct. United States Sentencing Commission, Supplementary Report on the Initial Sentencing Guidelines and Policy Statements 13 (June 1987) (Supplementary Report). See also 18 U.S.C. 3553(a)(2) (sentences should reflect the seriousness of the offense and provide just punishment); 28 U.S.C. 994(a)(2) and""#  (g). This effort to achieve proportionality required the Commission to identify those factors that make criminal conduct more or less serious and provide a way for those factors to be taken into account in the Guidelines. Yet because the list of relevant sentencing factors is long, and their interaction impossibly complex, the Commission had to strike a compromise between the need for proportionality on the one hand and the need for Guidelines that were simple enough to be administered. USSG ch. 1, pt. A3 (Policy Statement). The upshot is a Guidelines system that balances various, sometimes conflicting, general goals, including reduction of disparity, proportionality, and administrability.  The Guidelines divide sentencing factors into two basic categories: offense characteristics and offender characteristics. See generally USSG 1B1.1. The Guidelines first look to the characteristics of the offense. The Guidelines tell a sentencing judge to consider the behavior in which an offender engaged when he committed the crime of which he was convicted. They assign a number"called a Base Offense Level"to the behavior that constituted the crime itself. (For example, they assign the Base Offense Level: 20 to  Jh robbery. Id., 2B3.1(a).) They next tell the judge to  J@ look to the way in which the offender committed the crime; and they provide specific upward adjustments in light of certain aggravating features of the criminal behavior"which adjustments they call Specific Offense Characteristics. (For example, if the robber used a gun,  Jx the judge adds six levels. Id., 2B3.1(b)(2)(B).)  The Guidelines then tell the judge to turn to the relevant characteristics of the defendant, see 28 U.S.C. 994(d)"features, not of the crime, but of the criminal. In particular, they tell the judge to assign a number of points determined by what the Commission has determined to be the single most important offender characteristic, namely, the offender's prior criminal behavior. `"   These points in turn correspond to one of six Criminal History Categories. (For example, if the robber had one serious prior criminal conviction, that is, one that led to a sentence of imprisonment of more than 13 months, the judge will assign three points, which places the offender in Criminal History Category II. USSG 4A1.1(a), and  J id., ch. 5, pt. A (table).)  After determining the offense level and Criminal History Category applicable to the offender, the sentencing judge (after making various other possible adjustments) will consult a table, the rows of which consist of levels and the columns of which consist of Categories. The intersection of the appropriate row and column will normally indicate a narrow range of months of imprisonment. (For example, at the intersection of level 26 and the Category II lies a sentencing range of 70!87 months  J imprisonment. Id., ch. 5, pt. A (table).) In an ordinary case, the judge will sentence within that indicated range.  I say in an ordinary case because almost all Guideline rules are meant to govern typical cases. See 18 U.S.C. 3553(b); 28 U.S.C. 991(b)(1)(B), 994(b)(2) (requiring strict limits upon judge's sentencing discretion in ordinary cases). At the same time, the sentencing judge is free to depart from the Guidelines sentence in an atypical case"one outside the heartland of cases embodying the conduct that individual Guidelines describe. 18 U.S.C. 3553(b); USSG ch. 1, pt. A4(b);  J Koon v. United States, 518 U.S. ___ (1996)(slip op., at 9!13). This departure authority is important because no set of Guidelines can anticipate every situation. Where there exists an aggravating or mitigating circumstance of a kind, or to a degree, not adequately taken into consideration by the Sentencing Commission in formulating the guidelines, a judge has the authority to impose an appropriate sentence, so long as that sentence is within the range authorized by the statute under which the defendant was convicted. See 18 `"   U.S.C. 3553(b); see also 28 U.S.C. 991(b)(1)(B).  As the Commission has pointed out, this system reflects the Sentencing Reform Act's detailed instructions ... the most important of which directs the  J` Commission to create categories of offense behavior and  J8 offender characteristics. USSG ch. 1, pt. A2 (emphasis added). See also 28 U.S.C. 994(c) and (d). Twentyfive statutory subsections, 994(a)!(y), contain these and other detailed instructions"instructions that both delegat[e] broad authority to the Commission to ... rationalize the federal sentencing process, USSG ch. 1, pt. A2, and also describe, at least in rough outline, how the Commission should go about exercising that authority. The case before us concerns 1 of those 25 subsections, 28 U.S.C. 994(h), which subsection I shall call the career offender subsection.  ;H2 d d8B؃  2  The career offender subsection provides more specific directions than most other subsections. It says that the CommissionBQ C   , , (  shall assure that the guidelines specify a sentence  J to a term of imprisonment at or near the maximum  Ji term authorized for categories of defendants in which the defendant is eighteen years old or older and" N N " (1)has been convicted of a felony that is" N N " (A)a crime of violence; or N N " (B)an offense described in section 401 of the Controlled Substances Act (21 U.S.C. 841) ... ; and N N " (2)has previously been convicted of two or more [similar] prior felonies .... 994(h) (emphasis added).?/BQ d ưN  ( , , This provision, for present purposes, is not quite as complicated as it appears, for the words that follow the  J italicized words  maximum term authorized do not mod"  Ԯify or explain those italicized words. Rather, they describe the kind of person whom the Commission must make certain is sentenced to a term at or near the maximum term authorized. It is as if the statute said to the Commission: Focus upon categories of individuals who have previously committed two serious crimes (involving drugs or violence) and make certain that the Guidelines specify, for those categories of individuals, a sentence to a term of imprisonment at or near the maximum term authorized.  The Commission has recently rewritten the Guideline so that it now imposes sentences based upon BQ C  , , (  the maximum term of imprisonment authorized for the offense of conviction ... not including any increase in that maximum term under a sentencing enhancement provision that applies because of the defendant's prior criminal record. USSG 4B1.1, comment., n.2.5BQ d   ( , , To understand how the new Guideline works, consider an example: The basic drug distribution statute, 21 U.S.C. 841 has two relevant subsections, (a) and (b). Subsection (a) makes it a crime to possess a controlled substance, such as cocaine, with intent to distribute it. Subsection (b) sets forth penalties"both minimum and maximum penalties"for violating subsection (a). Those penalties depend primarily upon the amount of drugs at issue, but also upon recidivism. One part of subsection (b), namely subsection (b)(1)(B), for example, specifies a minimum penalty of 5 years and a maximum penalty of 40 years where the amount of cocaine ranges from 500 grams to 5 kilograms. A later portion of that part increases the minimum penalty to 10 years and the maximum penalty to life, if the offender has a previous drug felony conviction. The Commission's Career Offender Guideline treats the statutory term authorized as if it referred to the maximums that 841/"    J provides, except for this lastmentioned part.  9H1 d d7II؃  2  We must decide whether the career offender statute permits the Commission to write this Career Offender Guideline"a Guideline that looks to the maximum sentences that individual criminal statutes authorize for the  J behavior that constitutes the offense. That Guideline does not look to the maximum sentence that an individual criminal statute authorizes for recidivism"perhaps  J. the most important offender characteristic. In a sense, it says that the career offender statute, which tells the Commission to transform statutory maximums into ap J proximate Guideline minimums, is Congress' basic recidivism provision. That is to say, the Commission's Guideline essentially reads the career offender statute as permitting an implementing Guideline that substitutes for, rather than supplements, other statutory recidivismbased maximumsentence enhancements.  The question that divides this Court is not about the wisdom of this implementing interpretation. It is whether the career offender statute's words maximum  JN term authorized are open to the Commission's interpre J& tation or whether they unambiguously forbid it. In my view, the words, whether read by themselves, read within the context of sentencing law, or read against the historic background of sentencing reform, do not unambiguously forbid the Guideline. Rather, their ambiguity indicates that Congress simply has not addressed the  J6 question. Chevron, 476 U.S., at 843.  First, the language itself"the words maximum term authorized"is ambiguous. As I previously pointed out,  J supra, at 5!6, the immediately subsequent words (about categories of offenders) do not explain the words maximum term authorized, for they do not modify those words. Hence the question remains, authorized by what? All parties agree that the relevant maximum is"   the maximum set by sentencing statutes and not, for example, the top of the otherwise applicable guideline  J range. But still, to which sentencing statutes does the phrase refer? The answer to this question is not written upon the statute's face.  The phrase could not possibly refer to every sentencing statute, nor to every statute that controls the length of the maximum legally possible sentence for a particular offender or kind of offender. It seems most unlikely that the phrase was intended to include, for example, 18 U.S.C. 3565(a)(2)"a statute that authorizes a sentence for a probationviolator up to the maximum initially available for the underlying crime. I have never heard anyone claim that an offender who commits his third drug crime while on probation for, say, a minor part in a counterfeiting offense, see 471, USSG 2B5.1, should receive a sentence that approximates the statu JX tory maximum for the drug offense plus the 15year counterfeiting statutory maximum added in addition.  J But see ante, at 6!7.  Nor, to take another example, could the phrase mean to include the federal statute that governs [m]ultiple sentences of imprisonment, 18 U.S.C. 3584"a statute that grants sentencing judges broad authority to run multiple sentences either concurrently or consecutively. That statute would permit a judge to impose, say, a 20year maximum sentence for each count of a sixcount indictment and run those sentences consecutively, producing a total sentence of 120 years. Yet judges would not impose a sentence of 120 years upon an offender who engaged in a single related set of six 10gram cocaine sales, even if each sale were the subject of a separate count in a prosecutor's indictment. (The Guidelines would not permit this 120year imaginary sentence. See USSG 3D1.2(d), 3D1.3(b).) No one thinks that Congress intended the Commission to write its career offender Guideline with an eye toward the`"   maximum sentences that this kind of statute (the multiple sentences statute) theoretically would authorize.  The majority, in providing a set of arguments for the correct conclusion that the phrase maximum term authorized does not include the statute just mentioned, effectively concedes this point. The majority cannot say that the terms of imprisonment authorized by this  J statute do not even potentially fall within the scope of the phrase maximum term authorized, for the majority's interpretation of this statute"intended to avoid its application"is itself neither obvious nor even necessarily correct. (Compare the majority's use of the words term  J of imprisonment, for example, see ante, at 7, n.4, with the numerous instances in which sentencing law, including a portion of the multiple sentence statute itself, 18 U.S.C. 3584(c), uses those words to refer to the actual time to be served as the result of a sentence  J0 imposed on a defendant. E.g., 3582, 3585, 3621, 3624.) And once one understands the need to engage in rather complex exercises in statutory interpretation to separate out, from the set of all potentially applicable sentencing statutes, those to which the word authorized refers, one understands that the referent of that  J@ word authorized is not obvious"and that is the main point here at issue.  Nor can one resolve the linguistic ambiguity by claiming (as the drafters of the relevant statutory  J language seem to have claimed, see infra, at 14) that Congress simply meant to refer to the maximum statutory penalties for the offenses of which offenders are convicted. That is because the word offense is a technical term in the criminal law, referring to a crime  J made up of statutorily defined elements. See Staples  J v. United States, 511 U.S. 600, 604 (1994); Liparota v.  J United States, 471 U.S. 419, 424 (1985). Although some criminal statutes consider recidivism an element of` "    J the offense, e.g., 18 U.S.C. 922(g) (felon in possession of a firearm), many other important criminal statutes do not. Under the drug possession statute, for example,  J recidivism is not an element of the offense, but, rather, a sentencingrelated circumstance that the prosecution need not charge or prove at trial. Compare 21 U.S.C. 841(a) (defining the offense) with 841(b) (setting penalties). Thus, one might read the statute as referring to the maximum sentences imposed for offenses technically defined (a reading that would leave out most statutory recidivism enhancements) or one might not. The language of the statute, even if read as referring to offenses, does not say.  Second, background sentencing law does not provide an unambiguous answer to the authorized by what question. That background law includes a fundamental distinction between offense characteristics and offender characteristics. This distinction underlies the  J0 Guidelines' basic structure, see supra, at 3!5; it is embodied in the Commission's authorizing statute, 28 U.S.C. 994(c) and (d); and it grows out of preGuide J line sentencing law, see, e.g., Woodson v. North Caro J lina, 428 U.S. 280, 304 (1976) (plurality opinion);  Jh Pennsylvania ex rel. Sullivan v. Ashe, 302 U.S. 51, 55 (1937). Thus, it is not surprising that the Commission should write a Career Offender Guideline that itself reflects that distinction; nor can one consider the distinction arbitrary, as if, for example, the Commission  J were to have picked and chosen among different offense  Jx characteristics. Cf. ante, at 8. To the contrary, this aspect of background sentencing law makes plausible a reading that sees this directive to create a generally applicable Career Offender Guideline as, in a sense, a  J substitute for other, more specific recidivismbased sentence enhancements already scattered throughout the Federal Criminal Code. Of course, one could also read the statute as a supplement to those provisions. But` "   the statute itself does not tell us which reading is correct.  One further background circumstance helps to explain why the Commission's reading of the statute is not  J` arbitrary, i.e., why it is not unreasonable for the Guideline to treat recidivist enhancements differently from enhancements based on conduct. The career offender subsection was enacted in the context of a sweeping overhaul of the federal system of criminal sentencing brought about by the Sentencing Reform Act. One objective of the Act was honesty in sentencing, the idea that an offender actually should serve approximately the time stated in the sentence that the judge imposed. S.Rep. No. 98!225, at 56. Congress achieved this objective by abolishing parole. It thereby transformed the sentence the judge pronounced from an enormous overstatement (given the fact that the offender would have spent perhaps onethird to onehalf or even more  J0 of that time on parole), into realtime years almost all of which the offender would actually spend in prison. In other words, given parole, a 30year sentence might mean 10 to 20 years; a 15year sentence might mean 5.  J See generally id., at 46!49; Supplementary Report, Appendix C.  When it abolished parole, however, Congress did not expect the Commission to write Guidelines that automatically transformed into real time the paroleinflated 20 or 30year terms that judges had previously imposed upon, say, bank robbers or drug offenders. Rather Congress expected the Commission to adjust the length of the sentence the judge pronounced downward to reflect the fact that henceforth there would be no parole and the offender would really serve close to the entire term. See 28 U.S.C. 994(m). That is what the Commission did. Supplementary Report 21.  This contextual circumstance helps to explain why  J` Congress might indeed have expected that the Commis` "  Ԯsion would read the career offender subsection to refer to statutory offenses plus conductbased enhancements alone (without recidivismbased sentence enhancements). Congress realized that the preGuideline sentencing system would have translated the words twenty years maximum in, say, a drug statute into maximum sentences that approximated, say, 12 realtime years. Congress similarly realized that the preGuideline sentencing system would have translated the words 30 years maximum in, say, a drug statute's recidivism provision, into maximum sentences that approximated, say, 20 realtime years. That is to say, Congress realized that, preGuidelines (because of parole), even the most serious class of recidivist offenders (in the absence of other aggravating  J conduct) would have likely been imprisoned for no more than 20 realtime years. Under these circumstances, a legislator could reasonably have taken the career offender statute's basic objective as one of assuring that all threetime recidivists serve the, say, 20 realtime years that only the worst of them would previously have served. That is to say, by mandating sentences at or  J near the (newly enacted) 20 year nonĬrecidivist maximum (for large quantities of cocaine), the career offender  Jh subsection would ensure that all career offenders serve terms at or near the realtime maximum that only the most serious offenders would have served under a preGuidelines (parole based) system. And in this way as well, the careeroffender provision would significantly increase the likely realtime sentences served by most threetime offenders.  To understand the impact of realtime sentencing thus helps explain why recidivist maximums are different  J from maximums associated with offense characteristics; it shows how the Commission's reading is consistent with Congress' obvious intent to increase recidivist sentences significantly; it shows how a general recidivist Guideline has an effect of a different kind than the` "   statutory recidivist enhancements contained in prior law and hence might have been thought of as operating without reference to those enhancements; and it explains  J how legislators might reasonably have sought the goals implicit in the Commission's reading of the statute. Of course, it may also be the case that no legislator actually considered the problem before us. Or Congress instead might have had quite different goals in mind.  J As the majority says, Congress might have intended the Commission to insist that all threetime career offenders serve a realtime sentence significantly longer that the worst of them would likely have served before the Guidelines. The important point for present purposes is  J that the statute itself does not tell us which of these alternative goals Congress sought to achieve. The basic objectives of the career offender subsection"ensuring increased penalties for recidivist offenders who have committed crimes involving drugs or violence"and of sentencing reform are consistent with either basic purpose and thus do not resolve the ambiguity.  Third, the statute's legislative history, insofar as it is relevant, helps to explain why any search for a clear expression of congressional intent is pointless. When first enacted into law, the career offender subsection did not leave the word authorized hanging in midair.  J Rather, it said maximum term authorized by section  J 3581(b) of title 18, United States Code. Pub. L. 98!473, 98 Stat. 2021 (emphasis added). The subsection to which the word authorized referred"a subsection that classified crimes by letter"read as follows:BQ xC   , , ( N N " Authorized Terms."The authorized terms of imprisonment are" N N " (1) for a Class A felony, the duration of the defendant's life or any period of time; N N " (2) for a Class B felony, not more than twentyfive years; N N " (3) for a Class C felony, not more than twelve "   years; N N " (4) for a Class D felony, not more than six years; N N " (5) for a Class E felony, not more than three years; N N " (6) for a Class A misdemeanor, not more than one year; N N " (7) for a Class B misdemeanor, not more than six months; N N " (8) for a Class C misdemeanor, not more than thirty days; and N N " (9) for an infraction, not more than five days. 18 U.S.C. 3581(b).uBQ H d   ( , , A crossreference to this classifying subsection does not help, however, for that subsection serves almost no significant purpose in the Federal Criminal Code. In fact, Congress later enacted a technical amendment that eliminated the crossreference (leaving the word authorized without an explicit reference), Pub. L. 99!646, 100 Stat. 3592, because the crossreference was misleading and incorrect in that [t]o date, no Federal offense uses the classification system in the section to which it referred. H. R. Rep. No. 99!797, p.18 (1986). The drafters of the technical amendment thought that the maximum term of an offense is that term pre J scribed by the provision of law defining the offense.   J| Ibid. But, as we have seen, this view of the matter is  JT not conclusive. See supra, at 9!10.  One can find a possible historical explanation for what occurred. The classifying subsection, like the sentencing law itself, originated in a congressional effort to rewrite  J the entire Federal Criminal Code. See, e.g., S. 1, 94th Cong., 1st Sess. (1975); S. 1437, 95th Cong., 2d Sess. (1978); S. 1630, 97th Cong., 2d Sess (1981). That rewrite attached a classifying letter to each substantive crime. The classifying subsection attached a maximum penalty to each letter; and the penalty was a realtime penalty, for the rewrite contained the later enacted new"   sentencing law, which abolished parole and created realtime sentences. For example, the rewrite characterized its only drug recidivism provision"an enhanced penalty for a recidivist opiate crime"as a Class B felony; to which the classifying subsection attached a 25year  J8 maximum sentence. See, e.g., S. Rep. No. 95!605, pt. 1, 798, 801 (1977). The rewrite did not become law. Congress, instead, enacted into law its sentencing provisions, which included a career offender statute that initially contained a crossreference to the classifying subsection that no longer served any significant purpose.  This history may help to explain why Congress did not directly provide a clear crossreference in the career offender subsection. But it does not itself provide such a reference. A reader still might see in that subsection  J a predominating congressional focus upon increasing all career offenders' realtime terms to a typical realtime  JX maximum term (in which case it is natural to read the subsection as omitting statutory recidivism provisions) or one might see in it a predominating congressional insistence upon further major increases in the realtime maximum terms themselves (in which case it is natural to read the subsection's crossreference as picking up statutory recidivism provisions). The subsection's language, whether read by itself, read in a broader context of sentencing law, or read against the provision's  J history, is consistent with either interpretation.  Finally, the majority is wrong when it argues that the Career Offender Guideline eviscerate[s] the penalty enhancements Congress enacted in statutes such as  JP 841. Ante, at 8. Section 841 increases maximum penalties for recidivists, for example, for crimes involving less than 500 grams of cocaine, from 20 years to 30 years. The Commission's career offender penalties for these offenses yield sentences at or near the nonrecidivist maximum. This increased statutory maximum increases what would otherwise be a statutory cap on`"   any sentence imposed, thereby permitting the sentencing judge to sentence a recidivist to more than the statute's first offender maximum (20 years for 30 grams). Consequently, the statutory increase authorizes a higher sentence when the relevant Guideline range reaches beyond that first offender maximum (as it does in the case of some of the ranges prescribed by the Career  J Offender Guideline). See, e.g., USSG 4B1.1 (table), id., ch. 5, pt. A (table). It authorizes a higher sentence when the sentencing judge faces an atypical case warranting a departure upward. See 18 U.S.C. 3553(b). And, most important, it authorizes a higher  J sentence should the Commission decide to write other Guidelines with specific offense characteristics that tell a judge to sentence certain especially dangerous recidivists (say, violent drug offenders) to more than the first  J offender maximums. See, e.g., USSG 2D1.1(a)(1).  The upshot is that the majority cannot find here, or anywhere else in sentencing law, a clear indication of  J what Congress must have meant by its openended term authorized. The term is ambiguous.  9H1 d dy7III؃  2  Although the Court does not decide whether the  J Commission is owed deference under Chevron, ante, at  J 11, n.6, I believe that it is. Chevron directs courts to defer to an agency's construction of the statute which  J it administers, Chevron, 476 U.S., at 842, when Congress, because it has not clearly addressed an issue in the statute itself, likely intends that the consequentBQ 6C   , , (  ambiguity would be resolved, first and foremost, by the agency, and desired the agency (rather than the courts) to possess whatever degree of discretion the  J ambiguity allows. See Chevron, supra, at 843!844.  J Smiley v. Citibank (South Dakota), N. A., 517 U.S., at ___ (slip op., at 5).BQ d   ( , ,  This kind of inference makes sense in this case. "   Although the Commission is in the judicial branch of  J Government, 28 U.S.C. 991(a); Mistretta, 488 U. S., at 384!397, Congress intended it to carry out a task similar to rulemaking tasks that Congress has often delegated to administrative agencies. The Commission's overall congressional mandate is sweeping. See 28 U.S.C. 994(f) ( providing certainty and fairness in sentencing and reducing unwarranted sentence disparities); 991(b). Without broad delegated authority, it would not be possible to reconcile Congress' general objectives"of uniformity, proportionality, and administrability"nor to reconcile those general objectives with a host of more specific statutory instructions. 994. Thus the very nature of the task, along with the structure of the Sentencing Act, indicates a congressional intent to delegate primarily to the Commission the job of interpreting, and harmonizing, the authorizing Act's specific statutory instructions"subject, of course, to the kind of judicial supervision and review that courts would undertake were the Commission a typical administrative agency. This Court has previously implied that this is  J so. See Stinson v. United States, 508 U.S. 36, 44!45  J (1993); cf. Mistretta, supra, at 393!394.  Were the Commission a typical administrative agency, we would ask whether its policy choice is reasonable,  J hence permissible, given the statute. Chevron, supra, at 843!844, 866. And we would give the Commission considerable interpretive leeway in light of the fact that the choice here at issue lies at the very heart of the  Jx Commission's policyrelated expertise. Pension Benefit  JP Guaranty Corporation v. LTV Corp., 496 U.S. 633, 651!652 (1990) ( [P]ractical agency expertise is one of  J the principal justifications behind Chevron deference);  J Commodity Futures Trading Comm'n v. Schor, 478 U.S. 833, 845 (1986). The Commission's exercise of that expertise here"its Career Offender Guideline"meets this legal requirement.`"  Ԍ As a matter of policy, the Commission could take account of the fact that the Guideline that the majority believes the statute requires would significantly interfere with one of the Sentencing Act's basic objectives"greater uniformity in sentencing. 28 U.S.C. 991(b)(1)(B), 994(f). That is because at least one important set of statutory recidivist enhancements"the drug crime enhancements contained in 21 U.S.C. 841(b)"may be imposed only when the prosecutor files a specific document requesting it. 851(a). Consequently, the majority's interpretation of 994(h) places significant power in the hands of the prosecutor to determine the length of the offender's sentence; and different prosecutors at different times may exercise that power in different ways. The Commission concluded that its interpretation avoids unwarranted disparity associated with variations in the exercise of prosecut[orial] discretion, 59 Fed. Reg. 23608, 23609 (1994) in furtherance of the overriding congressional objective. 28 U.S.C. 991(b)(1)(B).  The majority counters that any such discretion would be similar to the discretion a prosecutor exercises when he decides what, if any, charges to bring against a  Jh criminal suspect. Ante, at 10!11. But this reply overlooks the fact that the Guidelines themselves, by basing punishments primarily upon the actual behavior that underlies an offense, are written to diminish the impact of such prosecutorial discretion. See USSG 1B1.3. The Commission recognized that the problem is one of diminishing, rather than aggravating, sentencing disparity among similarly situated defendants. And the Commission's interpretation finds support in that basic objective.  As a matter of policy, the Commission was free to consider the practical impact of the competing interpretations"in terms both of their comparative effectiveness in furthering the basic goals of punishment (deterrence,`"   incapacitation, just deserts, rehabilitation), 18 U.S.C. 3553(a); 28 U.S.C. 994(a)(2); USSG ch. 1, pt. A3, and their comparative costs in terms of real resources. 28 U.S.C. 994(g). And it might have thought that its present interpretation better balanced these objectives.  J8  Consider an example: The ordinary (nonCareer Offender) Guideline sentence, applicable to a threetime offender, for possession (with intent to distribute) a single dose of cocaine is 18 months; for possession (with intent to distribute) 400 grams it is six years. The statutory first offender maximum is 20 years. The recidivist maximum is 30 years. As a matter of policy, the Commission might have thought that an increase from 18 months (or six years) to 20 realtime years adequately served basic punishment objectives (as well as Congress' specific instruction to assure substantial prison terms for repeat drug offenders, S. Rep. No. 98!225, at 175). And, at the same time, it might have thought an increase to 30 realtime years would have added significantly to costs, without significantly advancing any other punitive purpose. See generally, Supplementary Report 71, 73 (predicting an 8!10% increase in federal prison populations from 1987 to 2002 due solely to the effects of the career offender subsection).  Finally, as a matter of policy, the Commission might have believed the Guidelines would create a more coherent sentencing system if its Career Offender Guide J line basically recreated recidivist realtime maximums, rather than increasing those maximums by folding in the additional time that previously had represented  JP parole. Supra, at 11!13.  This discussion of policy may help to make clear one reason why I find the majority's decision regrettable. The decision interferes with a legitimate exercise of the Commission's authority to write Guidelines that reconcile the various, sometimes competing, goals that Congress set forth. The United States Criminal Code contains a`"   highly complicated group of statutes. Congress wrote many of them long before it thought of creating sentencing Guidelines. Congress continues to write other statutes that the Commission, when revising its Guidelines, may, or may not, find easy to reconcile with what has gone before. Congress understood that the Commission's task is complex. Congress understood the importance of the statute's general goals"a fairer and more rational sentencing system. I believe that courts, when interpreting the authorizing Act, should recall Congress' overriding objectives and Congress' understood need to grant to this arm of the judicial branch of the United States, 28 U.S.C. 991(a), the discretionary authority necessary to achieve them. I would allow the Commission to interpret the ambiguous words of the statute before us with these general congressional objectives in mind.  I would affirm the judgment of the Court of Appeals.