I. For RICO conspiracy liability under 18 U.S.C. § 1962(d), must the
defendant agree to personally further the enterprise's affairs, rather than merely
agree that someone else will associate with the enterprise and participate in its
affairs?

II. For severance of joint trials under Federal Rule of Criminal Procedure
14(a), must district courts consider all relevant forms of potential prejudice to the
codefendants and not only whether the defenses are mutually antagonistic?

For RICO conspiracy liability, must the defendant agree to personally further the enterprise's affairs?