Authorities Cited: United States Code 21 U.S.C. § 841 Supreme Court 509 U.S. 579 526 U.S. 137, 119-152 Circuit Courts 98 F.3d 402, 408 260 F.3d 597, 601-602 324 F.3d 261, 268-270 387 F.3d 682, 690 387 F.3d 1244, 1258-1262 396 F.3d 1303, 1315 Federal Rules of Evidence Fed. R. Evid. 702