Trapnell v. United States (S.D. Tex.) (lead trial counsel for United States) (holding after trial in this wrongful death case under the Federal Tort Claims Act that sulfites included on salad and the Navy Officers' Club at the Corpus Christi Naval Air Station Corpus Christi was not the proximate cause of the death by asphyxiation of Navy pilots with and, alternatively, the Navy's decision to use sulfites was protected from a suit for negligence by the discretionary function exception)