in the "interests of justice." (Bold emphasis added). See also United States v. Kordel, 397 U.S. 1, 12 & n. 27, 90 S.Ct. 763, 769-70 & n.27 (1970). The Ventura Court went on to state that "situations where a defendant in both criminal and civil proceedings must choose whether to waive his privilege against self-