Authorities Cited: United States Code 18 U.S.C. § 924(e) 18 U.S.C. § 924(e)(2)(B)(ii) 21 U.S.C. § 841(a)(1) Supreme Court 503 U.S. 519, 534-535 531 U.S. 1043 544 U.S. 13 Circuit Courts 42 F.3d 320, 324 183 F.3d 1155, 1159 222 F.3d 756, 764-765 246 F.3d 330, 333 252 F.3d 891, 895-896 326 F.3d 881 346 F.3d 44, 49-51 410 F.3d 332, 335-336 423 F.3d 638, 644 440 F.3d 722, 724-725 453 F.3d 438, 440-442 462 F.3d 716, 719 464 F.3d 674, 680-682 479 F.3d 506, 508 510 F.3d 569, 575 512 F.3d 394, 404 Federal Sentencing Guidelines U.S.S.G. §3E1.1 U.S.S.G. §4B1.1 U.S.S.G. §4B1.2 U.S.S.G. §4B1.2(a)