Authorities Cited: United States Code 21 U.S.C. § 841(a) 21 U.S.C. § 952(a) Supreme Court 336 U.S. 684, 689 400 U.S. 470, 484-486 507 U.S. 725, 737-738 Circuit Courts 590 F.2d 398, 400 593 F.2d 415, 419 621 F.2d 350, 351-352 892 F.2d 610, 618 936 F.2d 6, 9-11 998 F.2d 39, 41 15 F.3d 1161, 1184 281 F.3d 278, 282-291 287 F.3d 229, 234 376 F.3d 33, 38-40 380 F.3d 548, 555 416 F.3d 1291, 1308 426 F.3d 32, 36-37 438 F.3d 350, 366 459 F.3d 80, 91 494 F.3d 221, 227 503 F.3d 755, 781-782 507 F.3d 130, 139-140