Whether 18 U.S.C. § 1959(a) requires a minimum finding by the jury that the underlying crime was committed as a substantial purpose or integral aspect of enterprise membership

question presented, on which the circuits are divided, is: Whether 18 U.S.C. § 1959(a) requires a minimum finding by the jury that the underlying crime was committed as a substantial purpose or integral aspect of membership in the enterprise. The second question presented is: Whether the Eighth Circuit misconstrued Iowa law in finding that there was no substantial basis for submission of justification as a defense to the jury ina federal prosecution that uses the Iowa crime of Attempt to Commit Murder as the underlying offense. i