For years–nay, decades, Oldsmobile made its bones on three primary cars: The 88, the Ninety-Eight, and the Cutlass. This secret formula of comfort, style, attainability and comfortable Midwestern middle-class prestige served them well for close to forty years. But around 1990, the party started winding down. This Regency Brougham is one of the last pre-sales-crash…