Bergman v. Department of Commerce

allowing the waiver of the Surviving Spouse Benefit as required in a divorce decree entered prior to the participant’s retirement | discussing rights of divorced spouse under deceased husband’s ERISA-qualified pension plan | federal common law rules properly developed from state law “consistent with the policies underlying the federal statute at issue” | "When ERISA is silent on an issue, a federal court must fashion federal common law rules to govern ERISA suits." | “When ERISA is silent on an issue, a federal court must fashion federal common law rules to govern ERISA suits.” | federal common law rules properly developed from state law “consistent with the policies underlying the federal statute at issue”