United States v. Bankers Trust Co.

confining scope of review to controlling question of law and not factual issues presented in question certified by district court | confining scope of review to controlling question of law and not factual issues presented in question certified by district court | discussing the Commission’s characterization of boiler fuel as an inferior use | destruction of plaintiff’s legal materials taken from another inmate’s prison cell held ministerial; issuance of prison regulations governing such destruction held discretionary | end use plans do not reallocate natural gas within the meaning of 15 U.S.C. Sec. 717f(a) | questions on immunity, which are purely legal in nature, are appropriate for resolution by way of an interlocutory appeal | "[I]t is the order that is appealable, and not the controlling question identified by the district court. Thus, the court of appeals may address any issue necessary to decide the case before it." | “[I]t is the order that is appealable, and not the controlling question identified by the district court. Thus, the court of appeals may address any issue necessary to decide the ease before it.” | end use plans are not per se discriminatory