Authorities Cited: United States Code 18 U.S.C. § 924(e) 18 U.S.C. § 924(e)(1) 18 U.S.C. § 3553(a) Supreme Court 543 U.S. 220, 125-264 543 U.S. 551 Circuit Courts 920 F.2d 810, 812 4 F.3d 941, 943-944 57 F.3d 1012, 1018 65 F.3d 1560, 1565 323 F.3d 1314, 1322 368 F.3d 1283, 1288 382 F.3d 1110, 1141 401 F.3d 1263, 1269 408 F.3d 1324, 1328 422 F.3d 1241, 1246 426 F.3d 1324, 1329 431 F.3d 784, 788 443 F.3d 1358, 1360 452 F.3d 1275, 1280 Federal Sentencing Guidelines U.S.S.G. §4A1.2 U.S.S.G. §4B1.1 U.S.S.G. §4B1.2(c) Federal Rules of Criminal Procedure Fed. R. Crim. P. 20