May a district court judge properly find, by a preponderance of the evidence, the uncharged, non-elemental fact that a person committed three prior offenses "on occasions different from one another," as required by the Armed Career Criminal Act, 18 U.S.C. § 924(e)(1), or does the Constitution require that fact to be charged in the indictment and proven to the jury beyond a reasonable doubt?

Whether the Constitution requires the uncharged, non-elemental fact that a person committed three prior offenses 'on occasions different from one another' under the Armed Career Criminal Act to be charged in the indictment and proven to the jury beyond a reasonable doubt