Authorities Cited: United States Code 18 U.S.C. § 924(e)(2) 18 U.S.C. § 3553(a) 26 U.S.C. § 5845(a) Supreme Court 495 U.S. 575, 601 543 U.S. 220, 261 544 U.S. 13, 26-29 Circuit Courts 58 F.3d 1117, 1121-1124 110 F.3d 382, 387 248 F.3d 502, 506 256 F.3d 381, 395-397 409 F.3d 732, 740-742 416 F.3d 486, 494-499 436 F.3d 638, 641 467 F.3d 943, 947-949 Federal Sentencing Guidelines U.S.S.G. §2K2.1 U.S.S.G. §4A1.1(b) U.S.S.G. §4B1.2